diff --git a/vim/vimrc b/vim/vimrc
index 269a6e0..7b8406e 100644
--- a/vim/vimrc
+++ b/vim/vimrc
@@ -13,6 +13,7 @@ set linebreak
 set nolist
 
 " Stop the py3 imp complaining for YCM (and others using python3
+" solution found at https://github.com/vim/vim/issues/3117
 if !has('patch-8.1.201')
 	silent! python3 1
 endif