diff --git a/README.md b/README.md
index b1d41a2a5..90da12012 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,7 @@ See [README-VIM.md][readme-vim] of the main fzf repository for details.
 
 ```vim
 " This is the default extra key bindings
+" Note, that fzf.vim does not support functions in fzf_action
 let g:fzf_action = {
   \ 'ctrl-t': 'tab split',
   \ 'ctrl-x': 'split',