diff --git a/lib/shared/mention-utils.js b/lib/shared/mention-utils.js
--- a/lib/shared/mention-utils.js
+++ b/lib/shared/mention-utils.js
@@ -111,7 +111,7 @@
   typeaheadMatchedStrings: ?TypeaheadMatchedStrings,
 ): $ReadOnlyArray<MentionTypeaheadUserSuggestionItem> {
   const userSearchIndex = useUserSearchIndex(threadMembers);
-  const resolvedThredMembers = useENSNames(threadMembers, useENSNamesOptions);
+  const resolvedThreadMembers = useENSNames(threadMembers, useENSNamesOptions);
   const usernamePrefix: ?string = typeaheadMatchedStrings?.query;
 
   return React.useMemo(() => {
@@ -121,7 +121,7 @@
     }
 
     const userIDs = userSearchIndex.getSearchResults(usernamePrefix);
-    const usersInThread = threadOtherMembers(resolvedThredMembers, viewerID);
+    const usersInThread = threadOtherMembers(resolvedThreadMembers, viewerID);
 
     return usersInThread
       .filter(user => usernamePrefix.length === 0 || userIDs.includes(user.id))
@@ -131,7 +131,7 @@
         ),
       )
       .map(userInfo => ({ type: 'user', userInfo }));
-  }, [userSearchIndex, resolvedThredMembers, usernamePrefix, viewerID]);
+  }, [userSearchIndex, resolvedThreadMembers, usernamePrefix, viewerID]);
 }
 
 function useMentionTypeaheadChatSuggestions(