diff --git a/docs/uts/buildin-object-api/set.md b/docs/uts/buildin-object-api/set.md
index 511c1b2f841063c2c40d1a8774e2b5f7eeda81a2..73e42b44d629919eb0c43ca5f82c84b985110f78 100644
--- a/docs/uts/buildin-object-api/set.md
+++ b/docs/uts/buildin-object-api/set.md
@@ -166,7 +166,7 @@ console.log(set1.has(5));
 console.log(set1.has(6));
 // expected output: false
 ```
-<!-- UTSJSON.Set.has.compatibility -->.
+<!-- UTSJSON.Set.has.compatibility -->
 
 <!-- UTSJSON.Set.tutorial -->