Fix wording

Author: Flanker32

PluginsAndFeatures/azure-toolkit-for-intellij/src/com/microsoft/azure/toolkit/intellij/link/LinkMySQLToModuleDialog.java

@@ -101,7 +101,7 @@ private void doLink(LinkConfig<MySQLResourceConfig, ModuleResourceConfig> linkCo
             final ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator();
             indicator.setIndeterminate(true);
             AzureLinkService.getInstance().link(project, linkConfig, finalStorageResource);
-            final String message = String.format("The connection between database %s and project %s is created successfully.",
+            final String message = String.format("The connection between database %s and project %s has been successfully created.",
                                                  resourceConfig.getDatabase().name(), project.getName());
             DefaultLoader.getUIHelper().showInfoNotification(LinkMySQLAction.ACTION_NAME, message);
         };