diff --git a/src/bot/handlers/utils/registry/__init__.py b/src/bot/handlers/utils/registry/__init__.py
index 9e899ec..4854455 100644
--- a/src/bot/handlers/utils/registry/__init__.py
+++ b/src/bot/handlers/utils/registry/__init__.py
@@ -115,6 +115,8 @@ class RouterRegistry:
             self._handlers.append(meta)
 
             if is_callback:
+                # FIXME: Add non-command option for callbacks.
+                # Can be usefull for a callback templates.
                 self._router.callback_query.register(
                     func,
                     *filters,