Added references to the `external themes` wiki page.
Diff
1diff --git a/README.markdown b/README.markdown
2index 5d4819d764fe994082780caa28da0118fe651925..3805d1eb41f68cc40b400aa9b4e4c1c36c8b38d7 100644
3--- a/README.markdown
4+++ b/README.markdown
5@@ -67,6 +67,8 @@ To use a different theme, simple change the value to match the name of your desi
6 7 Open up a new terminal window and your prompt should look something like...
8 9+In case you did not find a suitable theme for your needs, please have a look at the wiki for [more themes](https://github.com/robbyrussell/oh-my-zsh/wiki/External-themes).
10+
11 ## Advanced Topics
1213 If you're the type that likes to get their hands dirty... these sections might resonate.
14@@ -154,7 +156,7 @@ We also need people to test out pull-requests. So take a look through [the open
1516 ### Do NOT Send Us Themes
1718-We have (more than) enough themes for the time being. Please fork the project and add one in there – you can let people know how to grab it from there.
19+We have (more than) enough themes for the time being. Please add your theme to the [external themes](https://github.com/robbyrussell/oh-my-zsh/wiki/External-themes) wiki page.
2021 ## Contributors
22