diff --git a/index.md b/index.md
index 5f197f3..399bde6 100644
--- a/index.md
+++ b/index.md
@@ -271,7 +271,7 @@ or
 :r!tmux show-buffer
 </pre>
 
-(3) Map in ~/.nexrc
+(3) Map in ~/.nexrc (command mode)
 
 <pre>
 map gx !'mtmux load-buffer -<u>&lt;CTRL-V&gt;&lt;ENTER&gt;</u>
@@ -280,7 +280,7 @@ map gp :r!tmux show-buffer<u>&lt;CTRL-V&gt;&lt;ENTER&gt;</u>
 </pre>
 
 
-## Remap ESC to ALT-i in ~/.nexrc
+## Remap ESC to ALT-i in ~/.nexrc (insert mode)
 
 <pre>
 map! <u>&lt;CTRL-V&gt;&lt;ALT-i&gt;</u> <u>&lt;CTRL-V&gt;&lt;ESC&gt;</u>