Prevent multiple upgrades on the same room at once (#5051)

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/util/caches/response_cache.py b/synapse/util/caches/response_cache.py

index b1da81633c..cbe54d45dd 100644
--- a/synapse/util/caches/response_cache.py
+++ b/synapse/util/caches/response_cache.py
@@ -137,7 +137,7 @@ class ResponseCache(object):
 
             *args: positional parameters to pass to the callback, if it is used
 
-            **kwargs: named paramters to pass to the callback, if it is used
+            **kwargs: named parameters to pass to the callback, if it is used
 
         Returns:
             twisted.internet.defer.Deferred: yieldable result