diff --git a/docs/_index.md b/docs/_index.md
index bb639212e55..6ea45748e45 100644
--- a/docs/_index.md
+++ b/docs/_index.md
@@ -398,7 +398,7 @@ plugins(
 	)
 ```
 
-#### prezto
+#### Prezto
 
 ```zsh
 poetry completions zsh > ~/.zprezto/modules/completion/external/src/_poetry
@@ -406,4 +406,5 @@ poetry completions zsh > ~/.zprezto/modules/completion/external/src/_poetry
 
 {{% note %}}
 You may need to restart your shell in order for these changes to take effect.
+If completions still don't work, try removing `~/.cache/prezto/zcompcache` and starting a new shell.
 {{% /note %}}