diff --git a/50.md b/50.md
index 2bdf1ff..9d1a54c 100644
--- a/50.md
+++ b/50.md
@@ -41,7 +41,7 @@ implementation details between relays.
 Clients MAY verify that events returned by a relay match the specified query in a way that suits the
 client's use case, and MAY stop querying relays that have low precision.
 
-Relays SHOULD exclude spam from search results by default if they supports some form of spam filtering.
+Relays SHOULD exclude spam from search results by default if they support some form of spam filtering.
 
 ## Extensions