diff --git a/README.md b/README.md
index 9c5f319..bc9280c 100644
--- a/README.md
+++ b/README.md
@@ -23,6 +23,8 @@ For specifics on what each plugin does, please refer to their respective reposit
 * [Explorer](https://github.com/Xjph/ObservatoryExplorer)
 * [Botanist](https://github.com/Xjph/ObservatoryBotanist)
 
+If you're interested in Custom Criteria for Explorer in particular you can find [the documentation for writing them](https://github.com/Xjph/ObservatoryExplorer/wiki/Lua-Custom-Criteria) in the Explorer project wiki.
+
 For information on how to create a plugin, refer to the repository for [ObservatoryFramework](https://github.com/Xjph/ObservatoryFramework).
 
 ## Prerequisites for use