--- a/vim.rst	Sat Apr 04 22:31:04 2015 +0800
+++ b/vim.rst	Tue Jun 21 14:43:31 2016 +0800
@@ -83,6 +83,9 @@
 Insert Mode
 -----------
 
+`^R`
+    insert contents of register
+
 `^X^E`, `^X^Y`
     scroll one line *up*, *down*