diff --git a/Ubuntu-ufw-firewall-cookbook.adoc b/Ubuntu-ufw-firewall-cookbook.adoc
index 4914cda..e835ee4 100755
--- a/Ubuntu-ufw-firewall-cookbook.adoc
+++ b/Ubuntu-ufw-firewall-cookbook.adoc
@@ -5,6 +5,7 @@
 <<Enable ufw firewall>> +
 <<Allow SSH access to this server from Any IP source>>
 <<Delete a rule by its number>>
+<<Delete a rule by its number>>
 
 
 == Disable/unload the firewall