--- src/backend/commands/publicationcmds.c.orig	2017-03-22 14:24:10.838593000 +0100
+++ src/backend/commands/publicationcmds.c	2017-03-22 14:25:14.410045000 +0100
@@ -525,7 +525,7 @@
 		myrelid = RelationGetRelid(rel);
 		/*
 		 * filter out duplicates when user specifies "foo, foo"
-		 * Note that this algorithm is know to not be very effective (O(N^2))
+		 * Note that this algorithm is known to not be very efficient (O(N^2))
 		 * but given that it only works on list of tables given to us by user
 		 * it's deemed acceptable.
 		 */