diff --git a/putty-colors-solarized/README.mkd b/putty-colors-solarized/README.mkd
index 0b585b78..588a602d 100644
--- a/putty-colors-solarized/README.mkd
+++ b/putty-colors-solarized/README.mkd
@@ -10,6 +10,10 @@ Import the `.reg` files to create new sessions using the Solarized color scheme
 
 To copy the color settings into an existing session, edit `solarized_dark.reg` or `solarized_light.reg` and replace `Solarized%20Dark` in the third line with the name of the session you want to modify.
 
+Config the putty to use 256-colour mode
+- Window - Colours : Enable "Allow terminal to use xterm 256-colour mode"
+- Connection - Data - Terminal details : Terminal-type string : "xterm-256color"
+
 PuTTY Tray
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