Update README.md

README.md

@@ -20,7 +20,7 @@ This allows to create color blind friendly vector graphics suitable
 for publication.
 
 Color vision deficiencies are in fact very complex and can differ in intensity from person to person.
-The algorithms used in here and in many other comparable software packages are based on often simplifying assumptions. [Nicolas Burrus](http://nicolas.burrus.name/) discusses these simplification and reviews daltonize and other software packages in this [blog post](https://daltonlens.org/opensource-cvd-simulation/).
+The algorithms used in here and in many other comparable software packages are based on often simplifying assumptions. [Nicolas Burrus](http://nicolas.burrus.name/) discussed these simplification and reviews daltonize and other software packages in [a blog post](https://daltonlens.org/opensource-cvd-simulation/).
 
 
 ## Installation