Fix port number in mcord doc

Change-Id: I75b2a3ca3797d2092e30258f3aa68caaa3e53185
diff --git a/docs/installation_guide.md b/docs/installation_guide.md
index f3434ab..c585d8d 100644
--- a/docs/installation_guide.md
+++ b/docs/installation_guide.md
@@ -46,7 +46,7 @@
 
 ## Create an EPC instance using the XOS northbound API
 
-`curl -u xosadmin@opencord.org:<password> -X POST http://<ip address of pod>:8080/xosapi/v1/vepc/vepcserviceinstances -H "Content-Type: application/json" -d '{"blueprint":"build", "site_id": 1}'`
+`curl -u xosadmin@opencord.org:<password> -X POST http://<ip address of pod>/xosapi/v1/vepc/vepcserviceinstances -H "Content-Type: application/json" -d '{"blueprint":"build", "site_id": 1}'`
 
 ## Verify a Successful Installation