diff --git a/doc/Addons.md b/doc/Addons.md
index e40027fa9e..0d38b63925 100644
--- a/doc/Addons.md
+++ b/doc/Addons.md
@@ -802,7 +802,7 @@ Here is a complete list of all hook callbacks with file locations (as of 24-Sep-
 ### src/Core/StorageManager
 
     Hook::callAll('storage_instance', $data);
-	Hook::callAll('storage_config', $data);
+    Hook::callAll('storage_config', $data);
 
 ### src/Worker/Directory.php