diff --git a/index.mdwn b/index.mdwn
index 60a07376a3f53695c12f481938794efd6c22a056..1e64efbf71273a17a46a98ddb7e03fccf496cce5 100644
--- a/index.mdwn
+++ b/index.mdwn
@@ -96,7 +96,7 @@ are a the ones that exist so far:
 
 #### More on: "What Is Copyleft?"
 
-Here are a few sources to read generally what copyleft is:
+Here are a few external resources to read regarding the general concept of copyleft:
 
   * [Richard M. Stallman's essay on copyleft at gnu.org](https://www.gnu.org/copyleft/)
   * [The Wikipedia entry on Copyleft](http://en.wikipedia.org/wiki/Copyleft)