diff --git a/tool/test/org/antlr/v4/test/runtime/python2/Python2.test.stg b/tool/test/org/antlr/v4/test/runtime/python2/Python2.test.stg
index 3cc3b9054..dd125d829 100644
--- a/tool/test/org/antlr/v4/test/runtime/python2/Python2.test.stg
+++ b/tool/test/org/antlr/v4/test/runtime/python2/Python2.test.stg
@@ -3,6 +3,7 @@ IgnoredTests ::= [
 ]
 
 TestFile(file) ::= <<
+/* This file is generated by TestGenerator, any edits will be overwritten by the next generation. */
 package org.antlr.v4.test.runtime.python2;
 
 import org.junit.Ignore;
@@ -25,7 +26,7 @@ public class Test<file.name> extends BasePython2Test {
 >>
 
 LexerTestMethod(test) ::= <<
-/* this file and method are generated, any edit will be overwritten by the next generation */
+/* This file and method are generated by TestGenerator, any edits will be overwritten by the next generation. */
 <testAnnotations(test)>
 public void test<test.name>() throws Exception {
 	mkdir(tmpdir);
@@ -58,7 +59,7 @@ CompositeLexerTestMethod(test) ::= <<
 >>
 
 ParserTestMethod(test) ::= <<
-/* this file and method are generated, any edit will be overwritten by the next generation */
+/* This file and method are generated by TestGenerator, any edits will be overwritten by the next generation. */
 <testAnnotations(test)>
 public void test<test.name>() throws Exception {
 	mkdir(tmpdir);