Fix sentence casing

Author: phealy

articles/aks/egress-udr.md

@@ -10,7 +10,7 @@ author: phealy
 #Customer intent: As a cluster operator, I want to define my own egress paths with user-defined routes. Since I define this up front I do not want AKS provided load balancer configurations.
 ---
 
-# Customize cluster egress with a User-Defined Route
+# Customize cluster egress with a user-defined routing table
 
 Egress from an AKS cluster can be customized to fit specific scenarios. By default, AKS will provision a Standard SKU Load Balancer to be set up and used for egress. However, the default setup may not meet the requirements of all scenarios if public IPs are disallowed or additional hops are required for egress.