Fix typo (#318)

mmcv/runner/base_runner.py

@@ -266,7 +266,7 @@ class BaseRunner(metaclass=ABCMeta):
             policy_type = lr_config.pop('policy')
             # If the type of policy is all in lower case, e.g., 'cyclic',
             # then its first letter will be capitalized, e.g., to be 'Cyclic'.
-            # This is for the convenient usage of Lr updater updater.
+            # This is for the convenient usage of Lr updater.
             # Since this is not applicable for `CosineAnealingLrUpdater`,
             # the string will not be changed if it contains capital letters.
             if policy_type == policy_type.lower():

mmcv/runner/epoch_based_runner.py

@@ -165,5 +165,5 @@ class Runner(EpochBasedRunner):
 
     def __init__(self, *args, **kwargs):
         warnings.warn(
-            'Runner was deprecated, please use DeprecationWarning instead')
+            'Runner was deprecated, please use EpochBasedRunner instead')
         super().__init__(*args, **kwargs)