updates-and-git-version-control.md

@@ -13,7 +13,9 @@ This will fetch the remote branch (origin/master) and merge it into your local h
 
 # Common git problems
 ## One of my directories is empty
-You likely forgot to use --recursive when you originally cloned the repo. No worries, checkout the correct version of the submodules with:
+You likely forgot to use --recursive when you originally cloned the repo or there was an issue with submodule and branch interaction.
+
+No worries either way, just checkout the correct version of the submodules with:
 
 ```
 git submodule update --init --recursive