diff --git a/LICENSE b/LICENSE
index 37cf546..fcd64f9 100644
--- a/LICENSE
+++ b/LICENSE
@@ -10,7 +10,12 @@ this list of conditions and the following disclaimer.
 this list of conditions and the following disclaimer in the documentation
 and/or other materials provided with the distribution.
 
-3. Don't be a dick.
+3. All advertising materials mentioning features or use of this software must
+clearly acknowledge that this software is being used unless software from more
+than two other projects and/or vendors is being included in the distribution of
+the advertised product.
+
+4. Don't be an asshole.
 
 THIS SOFTWARE IS PROVIDED BY COPYRIGHT HOLDER "AS IS" AND ANY EXPRESS OR IMPLIED
 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF