diff --git a/readme.md b/readme.md
index 030ea78..48cf1b6 100644
--- a/readme.md
+++ b/readme.md
@@ -70,6 +70,11 @@ Remove submodule files: `git submodule deinit .`
 
 Clone Submodule Files: `git submodule update --init --recursive`
 
+Change clone url of submodule:
+* Fix the url in the `.gitmodules` file
+* Commit the changes of the `.gitmodules` file
+* Run `git submodule sync --recursive`
+
 
 ## Squishing commits