Update firststeps-rp.md

docs/firststeps-rp.md

@@ -106,7 +106,7 @@ server {
   ssl_ciphers HIGH:!aNULL:!MD5;
 
   location /Microsoft-Server-ActiveSync {
-    proxy_pass http://127.0.0.1:8080/;
+    proxy_pass http://127.0.0.1:8080/Microsoft-Server-ActiveSync;
     proxy_set_header Host $http_host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;