diff --git a/plugin/azure_active_directory/src/AzureActiveDirectory.php b/plugin/azure_active_directory/src/AzureActiveDirectory.php
index 3b41ca8cee..ecba89b168 100644
--- a/plugin/azure_active_directory/src/AzureActiveDirectory.php
+++ b/plugin/azure_active_directory/src/AzureActiveDirectory.php
@@ -72,7 +72,7 @@ class AzureActiveDirectory extends Plugin
     }
 
     /**
-     * @param $urlType Type of URL to generate
+     * @param string $urlType Type of URL to generate
      *
      * @return string
      */