diff --git a/docs/development/source-code-directory-structure.md b/docs/development/source-code-directory-structure.md
index 1c9e8c2b7749..b2672def6544 100644
--- a/docs/development/source-code-directory-structure.md
+++ b/docs/development/source-code-directory-structure.md
@@ -87,5 +87,5 @@ in your `~/.gitconfig` file:
 
 ```
 [alias]
-	su = git submodule update --init --recursive
+	su = submodule update --init --recursive
 ```