Processing spelling Fix

Author: devcrypted

articles/firewall/rule-processing.md

@@ -10,7 +10,7 @@ ms.author: victorh
 ---
 
 # Configure Azure Firewall rules
-You can configure NAT rules, network rules, and applications rules on Azure Firewall using either classic rules or Firewall Policy. Azure Firewall denies all traffic by default, until rules are manually configured to allow traffic. The rules are terminating, so rule proceisng stops on a match.
+You can configure NAT rules, network rules, and applications rules on Azure Firewall using either classic rules or Firewall Policy. Azure Firewall denies all traffic by default, until rules are manually configured to allow traffic. The rules are terminating, so rule processing stops on a match.
 
 ## Rule processing using classic rules