Update resourceGroups casing

Author: bganapa

specification/azsadmin/resource-manager/update/Microsoft.Update.Admin/preview/2016-05-01/UpdateLocations.json

@@ -16,7 +16,7 @@
     "application/json"
   ],
   "paths": {
-    "/subscriptions/{subscriptionId}/resourcegroups/{resourceGroupName}/providers/Microsoft.Update.Admin/updateLocations/": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Update.Admin/updateLocations/": {
       "get": {
         "x-ms-examples": {
           "Get the list of update locations.": {
@@ -52,7 +52,7 @@
         }
       }
     },
-    "/subscriptions/{subscriptionId}/resourcegroups/{resourceGroupName}/providers/Microsoft.Update.Admin/updateLocations/{updateLocation}": {
+    "/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Update.Admin/updateLocations/{updateLocation}": {
       "get": {
         "x-ms-examples": {
           "Get an update location based on name.": {