diff --git a/README.md b/README.md
index edaa6f8..b46aac5 100644
--- a/README.md
+++ b/README.md
@@ -1149,16 +1149,18 @@ command! Smaller :let &guifont = substitute(&guifont, '\d\+$', '\=submatch(0)-1'
 
 #### Change cursor style in insert mode
 
-I like to use a block cursor in normal mode and i-beam cursor in insert mode.
-Also when using tmux in the middle.
+I like to use a block cursor in normal mode, i-beam cursor in insert mode, and
+underline cursor in replace mode. Also when using tmux in the middle.
 
 ```viml
 if empty($TMUX)
   let &t_SI = "\<Esc>]50;CursorShape=1\x7"
   let &t_EI = "\<Esc>]50;CursorShape=0\x7"
+  let &t_SR = "\<Esc>]50;CursorShape=2\x7"
 else
   let &t_SI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=1\x7\<Esc>\\"
   let &t_EI = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=0\x7\<Esc>\\"
+  let &t_SR = "\<Esc>Ptmux;\<Esc>\<Esc>]50;CursorShape=2\x7\<Esc>\\"
 endif
 ```