1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/stats.py b/synapse/storage/stats.py
index 095924cae6..0445b97b4a 100644
--- a/synapse/storage/stats.py
+++ b/synapse/storage/stats.py
@@ -65,7 +65,7 @@ class StatsStore(StateDeltasStore):
         Quantises a timestamp to be a multiple of the bucket size.
 
         Args:
-            ts: the timestamp to quantise, in seconds since the Unix Epoch
+            ts (int): the timestamp to quantise, in seconds since the Unix Epoch
 
         Returns:
             int: a timestamp which