diff --git a/compiler/cpp/src/generate/t_oop_generator.h b/compiler/cpp/src/generate/t_oop_generator.h
index 5530af1..20b73b2 100644
--- a/compiler/cpp/src/generate/t_oop_generator.h
+++ b/compiler/cpp/src/generate/t_oop_generator.h
@@ -70,6 +70,7 @@
       " * Autogenerated by Thrift Compiler (" + THRIFT_VERSION + ")\n" +
       " *\n" +
       " * DO NOT EDIT UNLESS YOU ARE SURE THAT YOU KNOW WHAT YOU ARE DOING\n" +
+      " *  @generated\n" +
       " */\n";
   }
 };
diff --git a/compiler/cpp/src/generate/t_php_generator.cc b/compiler/cpp/src/generate/t_php_generator.cc
index 414cffc..2ca1d6f 100644
--- a/compiler/cpp/src/generate/t_php_generator.cc
+++ b/compiler/cpp/src/generate/t_php_generator.cc
@@ -639,7 +639,8 @@
     string f_struct = program_name_+"."+(tstruct->get_name())+".php";
     string f_struct_name = package_dir_+f_struct;
     autoload_out.open(f_struct_name.c_str());
-    autoload_out << "<?php" << endl;
+    autoload_out << "<?php" << endl
+      << "/**" << endl << " *  @generated" << endl << " */" << endl;
     _generate_php_struct_definition(autoload_out, tstruct, is_exception);
     autoload_out << endl << "?>" << endl;
     autoload_out.close();
@@ -1381,7 +1382,8 @@
     string f_struct = program_name_+"."+(tservice->get_name())+".client.php";
     string f_struct_name = package_dir_+f_struct;
     autoload_out.open(f_struct_name.c_str());
-    autoload_out << "<?php" << endl;
+    autoload_out << "<?php" << endl
+      << "/**" << endl << " *  @generated" << endl << " */" << endl;
     _generate_service_client(autoload_out, tservice);
     autoload_out << endl << "?>" << endl;
     autoload_out.close();