diff --git a/locator/token_metadata.hh b/locator/token_metadata.hh
index 8b423d3ddd..7605f04c36 100644
--- a/locator/token_metadata.hh
+++ b/locator/token_metadata.hh
@@ -169,6 +169,8 @@ public:
 
     void remove_endpoint(inet_address endpoint);
 
+    // Checks if the node is part of the token ring. If yes, the node is one of
+    // the nodes that owns the tokens and inside the set _normal_token_owners.
     bool is_member(inet_address endpoint) const;
 
     bool is_leaving(inet_address endpoint) const;