diff --git a/share/doc/homebrew/FAQ.md b/share/doc/homebrew/FAQ.md
index bf1f794966..7a6baeaef2 100644
--- a/share/doc/homebrew/FAQ.md
+++ b/share/doc/homebrew/FAQ.md
@@ -10,7 +10,7 @@ You can now find out what is outdated with:
 
 Upgrade everything with:
 
-    brew upgrade
+    brew upgrade --all
 
 Or upgrade a specific formula with: