diff --git a/opentrafficshaper/POE/Filter/HybridHTTP.pm b/opentrafficshaper/POE/Filter/HybridHTTP.pm
index 79a3498bc9bf1829d448345f8a229de28d4d4580..e8c7e7b3ff01b361660bc33c8077a252569ef9b9 100644
--- a/opentrafficshaper/POE/Filter/HybridHTTP.pm
+++ b/opentrafficshaper/POE/Filter/HybridHTTP.pm
@@ -1,5 +1,18 @@
 # POE::Filter::HybridHTTP - Copyright 2013, AllworldIT
 # Hybrid HTTP filter supporting websockets too.
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 ##
 # Code originally based on POE::Filter::HTTPD
@@ -478,3 +491,4 @@ sub _build_raw_response
 
 
 1;
+# vim: ts=4