diff --git a/reference/rpc/getbestblockhash.rst b/reference/rpc/getbestblockhash.rst
index fc8061d..2d887db 100644
--- a/reference/rpc/getbestblockhash.rst
+++ b/reference/rpc/getbestblockhash.rst
@@ -6,7 +6,7 @@ getbestblockhash
 
 ``getbestblockhash``
 
-Returns the hash of the best (tip) block in the longest blockchain.
+Returns the hash of the best (tip) block in the most-work fully-validated chain.
 
 Result
 ~~~~~~