diff --git a/lbry/service/api.py b/lbry/service/api.py
index 9fd803d5c..bb94c5d78 100644
--- a/lbry/service/api.py
+++ b/lbry/service/api.py
@@ -2591,7 +2591,7 @@ class API:
             Use --exclude_own_supports to exclude supports from the channel to itself.
 
         Usage:
-            support sum <claim_id> [--include_channel_content]
+            support sum <claim_id> [--include_channel_content] [--exclude_own_supports]
                         {kwargs}
         """
         items, total = await self.service.sum_supports(hex_str_to_hash(claim_id), include_channel_content, exclude_own_supports)