Update RM with typo

Author: chanakaudaya

vendor-specific/wso2/README.md

@@ -21,6 +21,6 @@ This directory contains solution architecture patterns which are built using WSO
 - [Hybrid API Gateway pattern](Microgateway-Pattern6-Hybrid-API-Gateway.md)
 
 ### Application Integration (WSO2 Enterprise Integrator)
-- [WSO2 EI7 Solution Patterns](WSO2-EI7-Solution-Patterns.md)
+- [WSO2 EI7 Solution Patterns](WSO2-EI7-Solution-patterns.md)
 
 ### Platform solutions