diff --git a/os/gcache/gcache_z_example_cache_test.go b/os/gcache/gcache_z_example_cache_test.go
index 587467e2e..76128d27d 100644
--- a/os/gcache/gcache_z_example_cache_test.go
+++ b/os/gcache/gcache_z_example_cache_test.go
@@ -327,7 +327,7 @@ func ExampleCache_GetExpire() {
 	expire, _ := c.GetExpire(ctx, "k")
 	fmt.Println(expire)
 
-	// Output:
+	// May Output:
 	// 10s
 }