diff --git a/m4/framework.m4 b/m4/framework.m4
index ef7f375..1ef4d22 100644
--- a/m4/framework.m4
+++ b/m4/framework.m4
@@ -1,3 +1,5 @@
+#  http://svn.saurik.com/repos/cycript/trunk/framework.m4
+
 # AC_CHECK_FRAMEWORK(FRAMEWORK, FUNCTION,
 #              [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
 #              [OTHER-LIBRARIES])