diff --git a/README.md b/README.md
index 7c9a4b5..88f1378 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ following differences:
 
 1. They have transient counterparts:
 
-        (persistent! (assoc! (transient (avl/sorted-map) 0 0)))
+        (persistent! (assoc! (transient (avl/sorted-map)) 0 0))
         ;= {0 0}
 
    and use transients during construction: