diff --git a/README.md b/README.md
index 5aa27dc..ffdc0e4 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,7 @@ Requirements
 
 * Vim Powerline patched font: See [Powerline for vim](https://github.com/Lokaltog/vim-powerline.git) for more info.
 * Z shell (zsh): See [oh-my-zsh](https://github.com/robbyrussell/oh-my-zsh) for more info.
+* Make sure terminal is using 256-colors mode with  `export TERM="xterm-256color"`
 
 Contribute
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