diff --git a/doc/neosnippet.txt b/doc/neosnippet.txt
index e147a0d..4188d85 100755
--- a/doc/neosnippet.txt
+++ b/doc/neosnippet.txt
@@ -232,6 +232,8 @@ g:neosnippet#enable_conceal_markers
 g:neosnippet#enable_completed_snippet
 		If this variable is not 0, neosnippet will expand the function
 		prototype when |CompleteDone| autocmd.
+		Note: It is disabled if you have installed
+		|neopairs.vim| plugin.
 
 		The default value is 0.