diff --git a/docs/tutorials/rfsoc/tut_getting_started.rst b/docs/tutorials/rfsoc/tut_getting_started.rst
index 3f362a2..c5b77db 100644
--- a/docs/tutorials/rfsoc/tut_getting_started.rst
+++ b/docs/tutorials/rfsoc/tut_getting_started.rst
@@ -67,7 +67,7 @@ Toolflow Setup
    $ pip install -r requirements.txt
 
    # initialize submodules
-   $ git submdoule init
+   $ git submodule init
    $ git submodule update
 
    # fetch a copy of the xilinx device tree repo
@@ -76,6 +76,10 @@ Toolflow Setup
    $ cd xilinx
    $ git clone https://github.com/xilinx/device-tree-xlnx.git
 
+   # switch to the correct branch
+   $ cd device-tree-xlnx
+   $ git checkout xlnx_rel_v2021.1
+
    # update or create your `startsg.local` config file 
    $ cd </path/to>/sandbox/casper/mlib_devel
    $ cp startsg.local.example ./startsg.local