Index: polygon.c
===================================================================
--- polygon.c	(revision 36082)
+++ polygon.c	(revision 36083)
@@ -332,9 +332,11 @@
 	}
 	p->Clipped = biggest(merged);
 	assert(!p->Clipped || rnd_poly_valid(p->Clipped));
-	if (!p->Clipped)
+	if (!p->Clipped) {
 		rnd_message(RND_MSG_WARNING, "Polygon #%ld cleared out of existence near (%$mm, %$mm)\n",
 						p->ID, (p->BoundingBox.X1 + p->BoundingBox.X2) / 2, (p->BoundingBox.Y1 + p->BoundingBox.Y2) / 2);
+		rnd_message(RND_MSG_WARNING, "You can propedit it using action: propedit(object:%ld) or turn on poly as drawn frame and look around the above coords\n", p->ID);
+	}
 	return 1;
 }