diff --git a/docs/Shell-Completion.md b/docs/Shell-Completion.md
index c595b4c77f..69f1e8e55a 100644
--- a/docs/Shell-Completion.md
+++ b/docs/Shell-Completion.md
@@ -72,10 +72,10 @@ If your `fish` is from somewhere else, add the following to your `~/.config/fish
 
 ```sh
 if test -d (brew --prefix)"/share/fish/completions"
-    set -gx fish_complete_path $fish_complete_path (brew --prefix)/share/fish/completions
+    set -p fish_complete_path (brew --prefix)/share/fish/completions
 end
 
 if test -d (brew --prefix)"/share/fish/vendor_completions.d"
-    set -gx fish_complete_path $fish_complete_path (brew --prefix)/share/fish/vendor_completions.d
+    set -p fish_complete_path (brew --prefix)/share/fish/vendor_completions.d
 end
 ```