diff --git a/README.md b/README.md
index 68aeb0a..1d8f783 100644
--- a/README.md
+++ b/README.md
@@ -231,7 +231,7 @@ lock map may also provide a :wait value, which if false will append the NOWAIT p
 (-> (select :foo.a)
     (from :foo)
     (where [:= foo.a "baz"])
-    (lock {:mode :update})
+    (lock :mode :update)
     (sql/format))
 => ["SELECT foo.a FROM foo WHERE foo.a = ? FOR UPDATE" "baz"]
 ```