diff --git a/docs/Shell-Completion.md b/docs/Shell-Completion.md
index 3f3191006f..7c0abc045c 100644
--- a/docs/Shell-Completion.md
+++ b/docs/Shell-Completion.md
@@ -52,7 +52,7 @@ You may also need to forcibly rebuild `zcompdump`:
 Additionally, if you receive "zsh compinit: insecure directories" warnings when attempting to load these completions, you may need to run this:
 
 ```sh
-  chmod go-w "$(brew --prefix)/share"
+  chmod -R go-w "$(brew --prefix)/share"
 ```
 
 ## Configuring Completions in `fish`