README.md: Add information about other included themes

The README only mentioned monoblue and monopurple. Now also mentions monogreen and monored.
polybuildr · Jun 7, 2015 · c52a901 · c52a901
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commit c52a901
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/README.md b/README.md
@@ -49,7 +49,7 @@ Depending on your setup, this could be a different file, such as `~/.profile` or
   ```
 2. Inside this new directory, run `petroglyph init` and fill in the details.
 
-  The default theme is `monoblue`. If you want to use a different skin, run `petroglyph init --skin monopurple`.
+  The default theme is `monoblue`. If you want to use a different skin (`monogreen`, `monopurple` and `monored` included by default), run `petroglyph init --skin SKIN`.
   ```bash
   $ cd awesomeblog
   $ petroglyph init --skin monopurple