diff --git a/R/TRHG_code.R b/R/TRHG_code.R
index becac49c..53dc9c71 100644
--- a/R/TRHG_code.R
+++ b/R/TRHG_code.R
@@ -7,7 +7,7 @@
 #' @seealso - [umx()]
 #' @references - Bates, T. C., Neale, M. C., & Maes, H. H. (2019). 
 #' umx: A library for Structural Equation and Twin Modelling in R. 
-#' *Twin Research and Human Genetics*, **22**, 27-41. DOI: [https://doi.org/10.1017/thg.2019.2](https://doi.org/10.1017/thg.2019.2)
+#' *Twin Research and Human Genetics*, **22**, 27-41. \doi{10.1017/thg.2019.2}.
 #' @md
 #' @aliases umxExampleCode_TRHGpaper
 #' @examples
diff --git a/R/build_run_modify.R b/R/build_run_modify.R
index 9472f4e2..c0b50801 100644
--- a/R/build_run_modify.R
+++ b/R/build_run_modify.R
@@ -1604,7 +1604,7 @@ umxACE <- function(name = "ACE", selDVs, selCovs = NULL, dzData= NULL, mzData= N
 #' @seealso [umxGxE_window()], [umxReduce()], [umxSummary()]
 #' @family Twin Modeling Functions
 #' @references - Purcell, S. (2002). Variance components models for gene-environment interaction in twin analysis. *Twin Research*,
-#'  **6**, 554-571. DOI: [10.1375/twin.5.6.554](https://doi.org/10.1375/twin.5.6.554)
+#'  **6**, 554-571. DOI: \doi{10.1375/twin.5.6.554}
 #' @md
 #' @examples
 #' require(umx)
@@ -2117,11 +2117,11 @@ umxGxE_window <- function(selDVs = NULL, moderator = NULL, mzData = mzData, dzDa
 #' @references 
 #' Neale, M. C., & Martin, N. G. (1989). The effects of age, sex, 
 #' and genotype on self-report drunkenness following a challenge dose of alcohol. 
-#' *Behavior Genetics*, **19**, 63-78. doi:<https://doi.org/10.1007/BF01065884>.
+#' *Behavior Genetics*, **19**, 63-78. doi:\doi{10.1007/BF01065884}.
 #' 
 #' Schwabe, I., Boomsma, D. I., Zeeuw, E. L., & Berg, S. M. (2015). A New Approach
 #' to Handle Missing Covariate Data in Twin Research : With an Application to
-#' Educational Achievement Data. *Behavior Genetics*, **46**, 583-95. doi:<https://doi.org/10.1007/s10519-015-9771-1>.
+#' Educational Achievement Data. *Behavior Genetics*, **46**, 583-95. doi:\doi{10.1007/s10519-015-9771-1}.
 #'
 #' @examples
 #' \dontrun{
diff --git a/R/datasets.R b/R/datasets.R
index 2cc41c75..86090af7 100644
--- a/R/datasets.R
+++ b/R/datasets.R
@@ -294,7 +294,7 @@ NULL
 #' @family datasets
 #' @name Fischbein_wt
 #' @references Fischbein, S. (1977). Intra-pair similarity in physical growth of monozygotic and of dizygotic twins during puberty. 
-#' *Annals of Human Biology*, **4**. 417-430. <https://doi.org/10.1080/03014467700002401>
+#' *Annals of Human Biology*, **4**. 417-430. \doi{10.1080/03014467700002401}
 #' @usage data(Fischbein_wt)
 #' @format A 6*6 correlation matrix based on n = 66 female subjects.
 #' @md
diff --git a/R/fit_and_reporting.R b/R/fit_and_reporting.R
index 653d2db9..1b26317b 100644
--- a/R/fit_and_reporting.R
+++ b/R/fit_and_reporting.R
@@ -144,7 +144,7 @@ umxWeightedAIC <- function(models, digits= 2) {
 #' @family Reporting Functions
 #' @family Twin Modeling Functions
 #' @seealso [umxReduceGxE()], [umxReduceACE()]
-#' @references - Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. *Psychonomic Bulletin and Review*, **11**, 192-196. [doi:](https://doi.org/10.3758/BF03206482)
+#' @references - Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. *Psychonomic Bulletin and Review*, **11**, 192-196. \doi{10.3758/BF03206482}
 #' @export
 #' @md
 umxReduce <- function(model, report = c("markdown", "inline", "html"), baseFileName = "tmp", ...){
@@ -179,7 +179,7 @@ umxReduce.default <- function(model, ...){
 #' @family Twin Modeling Functions
 #' @seealso [umxReduceACE()], [umxReduce()]
 #' @references - Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights.
-#' *Psychonomic Bulletin and Review*, **11**, 192-196. [doi:](https://doi.org/10.3758/BF03206482).
+#' *Psychonomic Bulletin and Review*, **11**, 192-196. \doi{10.3758/BF03206482}.
 #' @md
 #' @examples
 #' \dontrun{
@@ -266,7 +266,7 @@ umxReduce.MxModelGxE <- umxReduceGxE
 #' @export
 #' @family Twin Modeling Functions
 #' @seealso [umxReduceGxE()], [umxReduce()]
-#' @references - Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. *Psychonomic Bulletin and Review*, **11**, 192-196. [doi:](https://doi.org/10.3758/BF03206482)
+#' @references - Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. *Psychonomic Bulletin and Review*, **11**, 192-196. \doi{10.3758/BF03206482}
 #' @md
 #' @examples
 #' \dontrun{
diff --git a/R/umxPower.R b/R/umxPower.R
index b6722a08..d084b36a 100644
--- a/R/umxPower.R
+++ b/R/umxPower.R
@@ -41,10 +41,10 @@
 #' @seealso - [OpenMx::mxPower()]
 #' @references * Visscher, P.M., Gordon, S., Neale, M.C. (2008). Power of the classical twin design
 #' revisited: II detection of common environmental variance. *Twin Res Hum Genet*, **11**: 48-54.
-#' doi: [10.1375/twin.11.1.48](https://doi.org/10.1375/twin.11.1.48)
+#' \doi{10.1375/twin.11.1.48}.
 #' * Button, K. S., Ioannidis, J. P., Mokrysz, C., Nosek, B. A., Flint, J., Robinson, E. S., and Munafo, M. R. (2013).
 #' Power failure: why small sample size undermines the reliability of neuroscience. 
-#' *Nature Reviews Neuroscience*, **14**, 365-376. doi: [10.1038/nrn3475](https://doi.org/10.1038/nrn3475)
+#' *Nature Reviews Neuroscience*, **14**, 365-376. \doi{10.1038/nrn3475}
 #' @export
 #' @md
 #' @examples
diff --git a/R/umx_build_high_level_models.R b/R/umx_build_high_level_models.R
index 108462d0..337ee105 100644
--- a/R/umx_build_high_level_models.R
+++ b/R/umx_build_high_level_models.R
@@ -85,9 +85,9 @@
 #' @seealso - [factanal()], [mxFactorScores()]
 #' @references - <https://github.com/tbates/umx>,
 #' 
-#' Hendrickson, A. E. and White, P. O. (1964). Promax: a quick method for rotation to orthogonal oblique structure. *British Journal of Statistical Psychology*, **17**, 65–70. doi: [10.1111/j.2044-8317.1964.tb00244.x](https://doi.org/10.1111/j.2044-8317.1964.tb00244.x).
+#' Hendrickson, A. E. and White, P. O. (1964). Promax: a quick method for rotation to orthogonal oblique structure. *British Journal of Statistical Psychology*, **17**, 65–70. \doi{10.1111/j.2044-8317.1964.tb00244.x}.
 #' 
-#' Kaiser, H. F. (1958). The varimax criterion for analytic rotation in factor analysis. *Psychometrika*, **23**, 187–200. doi: [10.1007/BF02289233](https://doi.org/10.1007/BF02289233).
+#' Kaiser, H. F. (1958). The varimax criterion for analytic rotation in factor analysis. *Psychometrika*, **23**, 187–200. \doi{10.1007/BF02289233}.
 #' 
 #'
 #' @examples
diff --git a/R/umx_build_polychoricMatrix3.R b/R/umx_build_polychoricMatrix3.R
index bc94d2df..59f6b894 100644
--- a/R/umx_build_polychoricMatrix3.R
+++ b/R/umx_build_polychoricMatrix3.R
@@ -8,7 +8,7 @@
 #' @return - list of output and diagnostics. matrix of correlations = $polychorics
 #' @export
 #' @family Data Functions
-#' @references - \url{https://doi.org/10.3389/fpsyg.2016.00528}
+#' @references - \doi{10.3389/fpsyg.2016.00528}
 #' @examples
 #' tmp = mtcars
 #' tmp$am = umxFactor(mtcars$am)
@@ -213,7 +213,7 @@ umx_polychoric <- function(data, useDeviations = TRUE, tryHard = c("no", "yes",
 #' @return - matrix of correlations
 #' @export
 #' @family Data Functions
-#' @references - \url{https://doi.org/10.3389/fpsyg.2016.00528}
+#' @references - \doi{10.3389/fpsyg.2016.00528}
 #' @examples
 #' umx_set_optimizer("SLSQP")
 #' tmp = mtcars
@@ -286,7 +286,7 @@ umx_polypairwise <- function (data, useDeviations= TRUE, printFit= FALSE, use= "
 #' @return - matrix of correlations
 #' @export
 #' @family Data Functions
-#' @references - \url{https://doi.org/10.3389/fpsyg.2016.00528}
+#' @references - \doi{10.3389/fpsyg.2016.00528}
 #' @examples
 #' tmp = mtcars
 #' tmp$am = umxFactor(mtcars$am)
diff --git a/R/umx_build_umxACEv.R b/R/umx_build_umxACEv.R
index f2da9057..93ad81c3 100644
--- a/R/umx_build_umxACEv.R
+++ b/R/umx_build_umxACEv.R
@@ -94,7 +94,7 @@
 #' @family Twin Modeling Functions
 #' @references - Verhulst, B., Prom-Wormley, E., Keller, M., Medland, S., & Neale, M. C. (2019).
 #' Type I Error Rates and Parameter Bias in Multivariate Behavioral Genetic Models. *Behav Genet*, 
-#' **49**, 99-111. doi:<https://doi.org/10.1007/s10519-018-9942-y>
+#' **49**, 99-111. \doi{10.1007/s10519-018-9942-y}
 #' Eaves, L. J., Last, K. A., Young, P. A., & Martin, N. G. (1978). Model-fitting approaches 
 #' to the analysis of human behaviour. *Heredity*, **41**, 249-320. <https://www.nature.com/articles/hdy1978101.pdf>
 #' @md
diff --git a/R/umx_build_umxGxEbiv.R b/R/umx_build_umxGxEbiv.R
index 5e02806f..39c2e0ac 100644
--- a/R/umx_build_umxGxEbiv.R
+++ b/R/umx_build_umxGxEbiv.R
@@ -40,11 +40,11 @@
 #' @seealso - [plot()], [umxSummary()], [umxReduce()]
 #' @references
 #' - Purcell, S. (2002). Variance components models for gene-environment interaction in twin analysis. \emph{Twin Research}, 
-#' \strong{6}, 554-571. doi:[10.1375/twin.5.6.554](https://doi.org/10.1375/twin.5.6.554).
+#' \strong{6}, 554-571. \doi{10.1375/twin.5.6.554}.
 #' 
 #' - van der Sluis, S., Posthuma, D., & Dolan, C. V. (2012). A note on false positives and
 #' power in G x E modelling of twin data. \emph{Behavior Genetics}, 
-#' \strong{42}, 170-186. doi:[10.1007/s10519-011-9480-3](https://doi.org/10.1007/s10519-011-9480-3).
+#' \strong{42}, 170-186. \doi{10.1007/s10519-011-9480-3}.
 #'
 #' @examples
 #' require(umx)
diff --git a/cran-comments.md b/cran-comments.md
index bd3350aa..601a39f1 100644
--- a/cran-comments.md
+++ b/cran-comments.md
@@ -2,7 +2,7 @@
 new features
 ## Test environments
 * OS X 11.0.0, R version 4.0.3 (2020-06-22)
-* Win R Under development (unstable) (2020-12-09 r79601)
+* Win R Under development (unstable) (2021-01-21 r79854)
 * 64-bit Linux, R version 4.0.3
 
 ## R CMD check results
diff --git a/man/Fischbein_wt.Rd b/man/Fischbein_wt.Rd
index 50cff677..6d450886 100644
--- a/man/Fischbein_wt.Rd
+++ b/man/Fischbein_wt.Rd
@@ -39,7 +39,7 @@ as.matrix(Fischbein_wt) # convert to matrix
 }
 \references{
 Fischbein, S. (1977). Intra-pair similarity in physical growth of monozygotic and of dizygotic twins during puberty.
-\emph{Annals of Human Biology}, \strong{4}. 417-430. \url{https://doi.org/10.1080/03014467700002401}
+\emph{Annals of Human Biology}, \strong{4}. 417-430. \doi{10.1080/03014467700002401}
 }
 \seealso{
 Other datasets: 
diff --git a/man/power.ACE.test.Rd b/man/power.ACE.test.Rd
index 0ee34488..db6ef9ca 100644
--- a/man/power.ACE.test.Rd
+++ b/man/power.ACE.test.Rd
@@ -172,10 +172,10 @@ power.ACE.test(update = "a", AA= .5, CC= 0, nSim= 20)
 \itemize{
 \item Visscher, P.M., Gordon, S., Neale, M.C. (2008). Power of the classical twin design
 revisited: II detection of common environmental variance. \emph{Twin Res Hum Genet}, \strong{11}: 48-54.
-doi: \href{https://doi.org/10.1375/twin.11.1.48}{10.1375/twin.11.1.48}
+\doi{10.1375/twin.11.1.48}.
 \item Button, K. S., Ioannidis, J. P., Mokrysz, C., Nosek, B. A., Flint, J., Robinson, E. S., and Munafo, M. R. (2013).
 Power failure: why small sample size undermines the reliability of neuroscience.
-\emph{Nature Reviews Neuroscience}, \strong{14}, 365-376. doi: \href{https://doi.org/10.1038/nrn3475}{10.1038/nrn3475}
+\emph{Nature Reviews Neuroscience}, \strong{14}, 365-376. \doi{10.1038/nrn3475}
 }
 }
 \seealso{
diff --git a/man/umxACEcov.Rd b/man/umxACEcov.Rd
index 775f351a..15ca4b66 100644
--- a/man/umxACEcov.Rd
+++ b/man/umxACEcov.Rd
@@ -129,11 +129,11 @@ m1 = umxACEcov(selDVs = selDVs, selCovs = selCovs,
 \references{
 Neale, M. C., & Martin, N. G. (1989). The effects of age, sex,
 and genotype on self-report drunkenness following a challenge dose of alcohol.
-\emph{Behavior Genetics}, \strong{19}, 63-78. doi:\url{https://doi.org/10.1007/BF01065884}.
+\emph{Behavior Genetics}, \strong{19}, 63-78. doi:\doi{10.1007/BF01065884}.
 
 Schwabe, I., Boomsma, D. I., Zeeuw, E. L., & Berg, S. M. (2015). A New Approach
 to Handle Missing Covariate Data in Twin Research : With an Application to
-Educational Achievement Data. \emph{Behavior Genetics}, \strong{46}, 583-95. doi:\url{https://doi.org/10.1007/s10519-015-9771-1}.
+Educational Achievement Data. \emph{Behavior Genetics}, \strong{46}, 583-95. doi:\doi{10.1007/s10519-015-9771-1}.
 }
 \seealso{
 Other Twin Modeling Functions: 
diff --git a/man/umxACEv.Rd b/man/umxACEv.Rd
index 60242127..6174f455 100644
--- a/man/umxACEv.Rd
+++ b/man/umxACEv.Rd
@@ -292,7 +292,7 @@ umxSummary(m1, std = FALSE)
 \itemize{
 \item Verhulst, B., Prom-Wormley, E., Keller, M., Medland, S., & Neale, M. C. (2019).
 Type I Error Rates and Parameter Bias in Multivariate Behavioral Genetic Models. \emph{Behav Genet},
-\strong{49}, 99-111. doi:\url{https://doi.org/10.1007/s10519-018-9942-y}
+\strong{49}, 99-111. \doi{10.1007/s10519-018-9942-y}
 Eaves, L. J., Last, K. A., Young, P. A., & Martin, N. G. (1978). Model-fitting approaches
 to the analysis of human behaviour. \emph{Heredity}, \strong{41}, 249-320. \url{https://www.nature.com/articles/hdy1978101.pdf}
 }
diff --git a/man/umxEFA.Rd b/man/umxEFA.Rd
index cfd7542e..2370157a 100644
--- a/man/umxEFA.Rd
+++ b/man/umxEFA.Rd
@@ -135,9 +135,9 @@ m1 = umxEFA(name = "by_number", factors = 2, rotation = "promax", data = mtcars[
 \item \url{https://github.com/tbates/umx},
 }
 
-Hendrickson, A. E. and White, P. O. (1964). Promax: a quick method for rotation to orthogonal oblique structure. \emph{British Journal of Statistical Psychology}, \strong{17}, 65–70. doi: \href{https://doi.org/10.1111/j.2044-8317.1964.tb00244.x}{10.1111/j.2044-8317.1964.tb00244.x}.
+Hendrickson, A. E. and White, P. O. (1964). Promax: a quick method for rotation to orthogonal oblique structure. \emph{British Journal of Statistical Psychology}, \strong{17}, 65–70. \doi{10.1111/j.2044-8317.1964.tb00244.x}.
 
-Kaiser, H. F. (1958). The varimax criterion for analytic rotation in factor analysis. \emph{Psychometrika}, \strong{23}, 187–200. doi: \href{https://doi.org/10.1007/BF02289233}{10.1007/BF02289233}.
+Kaiser, H. F. (1958). The varimax criterion for analytic rotation in factor analysis. \emph{Psychometrika}, \strong{23}, 187–200. \doi{10.1007/BF02289233}.
 }
 \seealso{
 \itemize{
diff --git a/man/umxExamples.Rd b/man/umxExamples.Rd
index 2107a5f1..202e783e 100644
--- a/man/umxExamples.Rd
+++ b/man/umxExamples.Rd
@@ -284,7 +284,7 @@ umx_set_auto_plot(TRUE)
 \itemize{
 \item Bates, T. C., Neale, M. C., & Maes, H. H. (2019).
 umx: A library for Structural Equation and Twin Modelling in R.
-\emph{Twin Research and Human Genetics}, \strong{22}, 27-41. DOI: \url{https://doi.org/10.1017/thg.2019.2}
+\emph{Twin Research and Human Genetics}, \strong{22}, 27-41. \doi{10.1017/thg.2019.2}.
 }
 }
 \seealso{
diff --git a/man/umxGxE.Rd b/man/umxGxE.Rd
index 0cf4a090..5164aa6e 100644
--- a/man/umxGxE.Rd
+++ b/man/umxGxE.Rd
@@ -120,7 +120,7 @@ umxReduce(m1)
 \references{
 \itemize{
 \item Purcell, S. (2002). Variance components models for gene-environment interaction in twin analysis. \emph{Twin Research},
-\strong{6}, 554-571. DOI: \href{https://doi.org/10.1375/twin.5.6.554}{10.1375/twin.5.6.554}
+\strong{6}, 554-571. DOI: \doi{10.1375/twin.5.6.554}
 }
 }
 \seealso{
diff --git a/man/umxGxEbiv.Rd b/man/umxGxEbiv.Rd
index 095e7979..2a35cd2c 100644
--- a/man/umxGxEbiv.Rd
+++ b/man/umxGxEbiv.Rd
@@ -97,10 +97,10 @@ umxReduce(m1)
 \references{
 \itemize{
 \item Purcell, S. (2002). Variance components models for gene-environment interaction in twin analysis. \emph{Twin Research},
-\strong{6}, 554-571. doi:\href{https://doi.org/10.1375/twin.5.6.554}{10.1375/twin.5.6.554}.
+\strong{6}, 554-571. \doi{10.1375/twin.5.6.554}.
 \item van der Sluis, S., Posthuma, D., & Dolan, C. V. (2012). A note on false positives and
 power in G x E modelling of twin data. \emph{Behavior Genetics},
-\strong{42}, 170-186. doi:\href{https://doi.org/10.1007/s10519-011-9480-3}{10.1007/s10519-011-9480-3}.
+\strong{42}, 170-186. \doi{10.1007/s10519-011-9480-3}.
 }
 }
 \seealso{
diff --git a/man/umxReduce.Rd b/man/umxReduce.Rd
index 445e0ea7..9fca53ed 100644
--- a/man/umxReduce.Rd
+++ b/man/umxReduce.Rd
@@ -40,7 +40,7 @@ I am thinking for RAM models to drop NS paths, and report that test.
 }
 \references{
 \itemize{
-\item Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. \emph{Psychonomic Bulletin and Review}, \strong{11}, 192-196. \href{https://doi.org/10.3758/BF03206482}{doi:}
+\item Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. \emph{Psychonomic Bulletin and Review}, \strong{11}, 192-196. \doi{10.3758/BF03206482}
 }
 }
 \seealso{
diff --git a/man/umxReduceACE.Rd b/man/umxReduceACE.Rd
index 5e6597ad..e3480666 100644
--- a/man/umxReduceACE.Rd
+++ b/man/umxReduceACE.Rd
@@ -51,7 +51,7 @@ m2 = umxReduce(m1)
 }
 \references{
 \itemize{
-\item Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. \emph{Psychonomic Bulletin and Review}, \strong{11}, 192-196. \href{https://doi.org/10.3758/BF03206482}{doi:}
+\item Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights. \emph{Psychonomic Bulletin and Review}, \strong{11}, 192-196. \doi{10.3758/BF03206482}
 }
 }
 \seealso{
diff --git a/man/umxReduceGxE.Rd b/man/umxReduceGxE.Rd
index 6ea2c7b0..85d87d5e 100644
--- a/man/umxReduceGxE.Rd
+++ b/man/umxReduceGxE.Rd
@@ -44,7 +44,7 @@ model = umxReduce(model)
 \references{
 \itemize{
 \item Wagenmakers, E.J., & Farrell, S. (2004). AIC model selection using Akaike weights.
-\emph{Psychonomic Bulletin and Review}, \strong{11}, 192-196. \href{https://doi.org/10.3758/BF03206482}{doi:}.
+\emph{Psychonomic Bulletin and Review}, \strong{11}, 192-196. \doi{10.3758/BF03206482}.
 }
 }
 \seealso{
diff --git a/man/umx_lower.tri.Rd b/man/umx_lower.tri.Rd
index 108c336b..1695d2af 100644
--- a/man/umx_lower.tri.Rd
+++ b/man/umx_lower.tri.Rd
@@ -13,7 +13,7 @@ umx_lower.tri(x, diag = FALSE)
 }
 \value{
 \itemize{
-\item values of cellss of the lower triangle.
+\item values of cells of the lower triangle.
 }
 }
 \description{
diff --git a/man/umx_polychoric.Rd b/man/umx_polychoric.Rd
index e877a0c2..6f0125ed 100644
--- a/man/umx_polychoric.Rd
+++ b/man/umx_polychoric.Rd
@@ -34,7 +34,7 @@ cor(mtcars[, c("am", "vs")])
 
 }
 \references{
-- \url{https://doi.org/10.3389/fpsyg.2016.00528}
+- \doi{10.3389/fpsyg.2016.00528}
 }
 \seealso{
 Other Data Functions: 
diff --git a/man/umx_polypairwise.Rd b/man/umx_polypairwise.Rd
index 2decbdd7..403d53b3 100644
--- a/man/umx_polypairwise.Rd
+++ b/man/umx_polypairwise.Rd
@@ -41,7 +41,7 @@ cov2cor(x$R)
 cor(mtcars[, c("hp", "mpg", "am", "vs")])
 }
 \references{
-- \url{https://doi.org/10.3389/fpsyg.2016.00528}
+- \doi{10.3389/fpsyg.2016.00528}
 }
 \seealso{
 Other Data Functions: 
diff --git a/man/umx_polytriowise.Rd b/man/umx_polytriowise.Rd
index 31a4e940..4c2bdd80 100644
--- a/man/umx_polytriowise.Rd
+++ b/man/umx_polytriowise.Rd
@@ -40,7 +40,7 @@ cor(mtcars[, c("hp", "mpg", "am", "vs")])
 
 }
 \references{
-- \url{https://doi.org/10.3389/fpsyg.2016.00528}
+- \doi{10.3389/fpsyg.2016.00528}
 }
 \seealso{
 Other Data Functions: 
diff --git a/man/umx_set_plot_file_suffix.Rd b/man/umx_set_plot_file_suffix.Rd
index 44c870db..56894b6c 100644
--- a/man/umx_set_plot_file_suffix.Rd
+++ b/man/umx_set_plot_file_suffix.Rd
@@ -18,7 +18,7 @@ umx_set_plot_file_suffix(umx.plot.suffix = NULL, silent = FALSE)
 }
 \description{
 \code{umx} SEM diagram files can have a suffix of "gv" (default) or  "dot".
-Interogate the setting by calling with no value: it will return the current setting.
+Interrogate the setting by calling with no value: it will return the current setting.
 To change the setting call with "gv" or "dot". Or use TRUE to toggle the setting.
 }
 \examples{
diff --git a/man/umx_set_plot_use_hrbrthemes.Rd b/man/umx_set_plot_use_hrbrthemes.Rd
index 13c5ac36..9292367c 100644
--- a/man/umx_set_plot_use_hrbrthemes.Rd
+++ b/man/umx_set_plot_use_hrbrthemes.Rd
@@ -7,7 +7,7 @@
 umx_set_plot_use_hrbrthemes(umx.plot.use_hrbrthemes = NULL, silent = FALSE)
 }
 \arguments{
-\item{umx.plot.use_hrbrthemes}{whether to them plots iwth hrbrthemes (if empty returns the current value)}
+\item{umx.plot.use_hrbrthemes}{whether to them plots with hrbrthemes (if empty returns the current value)}
 
 \item{silent}{If TRUE, no message will be printed.}
 }
diff --git a/man/umx_set_silent.Rd b/man/umx_set_silent.Rd
index e3719b80..640b61ef 100644
--- a/man/umx_set_silent.Rd
+++ b/man/umx_set_silent.Rd
@@ -9,7 +9,7 @@ umx_set_silent(value = NA, silent = FALSE)
 \arguments{
 \item{value}{Boolean stating if umx Models should run silently (TRUE).}
 
-\item{silent}{If TRUE, this function itseld will just return the state of the option, with no user message.}
+\item{silent}{If TRUE, this function itself will just return the state of the option, with no user message.}
 }
 \value{
 \itemize{