diff --git a/Shorewall/known_problems.txt b/Shorewall/known_problems.txt
index 7748b1844..5f0819068 100644
--- a/Shorewall/known_problems.txt
+++ b/Shorewall/known_problems.txt
@@ -92,7 +92,7 @@
 
     Workaround: Don't use optimizaiton levels greater than 7.
 
-2)  Under rare circumstances unvolving exclusion, OPTIMIZE 8 through 15
-    canresult in invalid iptables-restore (ip6tables-restore) input.
+13) Under rare circumstances unvolving exclusion, OPTIMIZE 8 through 15
+    can result in invalid iptables-restore (ip6tables-restore) input.
 
     Workaround: Don't use optimizaiton levels greater than 7.