Change error message

Author: joel.tazzari

plugins/user-authenticators/oauth2/src/main/java/org/apache/cloudstack/oauth2/api/command/RegisterOAuthProviderCmd.java

@@ -116,10 +116,10 @@ public Map getDetails() {
     public void execute() throws ServerApiException, ConcurrentOperationException, EntityExistsException {
         if (StringUtils.equals("keycloak", getProvider())) {
             if (getAuthorizeUrl() == null || "".equals(getAuthorizeUrl())) {
-                throw new ServerApiException(ApiErrorCode.BAD_REQUEST, "authorizationurl parameter is mandatory for custom OAuth Provider");
+                throw new ServerApiException(ApiErrorCode.BAD_REQUEST, "Parameter authorizationurl is mandatory for keycloak OAuth Provider");
             }
             if (getTokenUrl() == null || "".equals(getTokenUrl())) {
-                throw new ServerApiException(ApiErrorCode.BAD_REQUEST, "tokenurl parameter is mandatory for custom OAuth Provider");
+                throw new ServerApiException(ApiErrorCode.BAD_REQUEST, "Parameter tokenurl is mandatory for keycloak OAuth Provider");
             }
         }