Update submodules/README.md

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

Author: JKrag

submodules/README.md

@@ -15,7 +15,7 @@ This allows you to grab source changes directly, as well as _pushing_ them back.
 
 1. Run `source setup.sh` (or `.\setup.ps1` in PowerShell)
 
-> NOTE: If running setup.sh on windows, you can run into problems by sourcing the setup script. Instead, run `./setup.sh`, and the folders would be created correctly.
+> NOTE: If running setup.sh on Windows, you can run into problems by sourcing the setup script. Instead, run `./setup.sh`, and the folders would be created correctly.
 
 ## The task