fix typo (#161)

mmengine/registry/default_scope.py

@@ -8,7 +8,7 @@ class DefaultScope(ManagerMixin):
     """Scope of current task used to reset the current registry, which can be
     accessed globally.
 
-    Consider the case of reseting the current ``Resgitry`` by``default_scope``
+    Consider the case of resetting the current ``Resgitry`` by``default_scope``
     in the internal module which cannot access runner directly, it is difficult
     to get the ``default_scope`` defined in ``Runner``. However, if ``Runner``
     created ``DefaultScope`` instance by given ``default_scope``, the internal