diff --git a/pubsub/README.md b/pubsub/README.md
index 8a81c9c..0ae4b3d 100644
--- a/pubsub/README.md
+++ b/pubsub/README.md
@@ -288,7 +288,7 @@ On the consuming side:
 _Not required for backwards-compatibility. Considered insecure, nevertheless
 defined for completeness._
 
-Always sign, and verify incoming signatures, and but accept unsigned messages.
+Always sign, and verify incoming signatures, but accept unsigned messages.
 
 On the producing side:
   - Build messages with the `signature`, `key` (`from` may be enough), `from`