diff --git a/example_custom_caller_test.go b/example_custom_caller_test.go
index a64ab16..6749eff 100644
--- a/example_custom_caller_test.go
+++ b/example_custom_caller_test.go
@@ -24,5 +24,5 @@ func ExampleJSONFormatter_CallerPrettyfier() {
 	}
 	l.Info("example of custom format caller")
 	// Output:
-	// {"file":"example_custom_caller_test.go","func":"ExampleCustomFormatter","level":"info","msg":"example of custom format caller"}
+	// {"file":"example_custom_caller_test.go","func":"ExampleJSONFormatter_CallerPrettyfier","level":"info","msg":"example of custom format caller"}
 }