diff --git a/Customization.md b/Customization.md
index 177a9ba..6de4eb6 100644
--- a/Customization.md
+++ b/Customization.md
@@ -11,7 +11,7 @@ function! s:goyo_enter()
   endif
 endfunction
 
-function! GoyoAfter()
+function! s:goyo_leave()
   if has('gui_running')
     set nofullscreen
     set background=dark