diff --git a/What-µBlock-can-and-can-not-(currently)-do.md b/What-µBlock-can-and-can-not-(currently)-do.md
index 21a4f8b..c203f00 100644
--- a/What-µBlock-can-and-can-not-(currently)-do.md
+++ b/What-µBlock-can-and-can-not-(currently)-do.md
@@ -32,4 +32,5 @@ specific site.
 No it doesn't. Last time I checked, µBlock has a larger memory footprint than both _Ghostery_ 
 and _Disconnect_. Regarding CPU footprint, I don't know, I didn't measure yet (maybe
 I will). Keep in mind that µBlock, like ABP, Adguard, and some others allows users
-to enter their own filters.
\ No newline at end of file
+to enter their own filters. There are also other differences, or similarities: µBlock, _Disconnect_
+and ABP are licensed under [GPL](http://en.wikipedia.org/wiki/GNU_General_Public_License).
\ No newline at end of file