diff --git a/README.md b/README.md
index d42de3d7..2a331d0f 100644
--- a/README.md
+++ b/README.md
@@ -443,6 +443,7 @@ As with any packet monitoring tool, **NFStream** could potentially be misused.
 The following people contributed to NFStream:
 * [**Zied Aouini**](mailto:aouinizied@gmail.com): Creator and main developer.
 * [**Adrian Pekar**](mailto:adrian.pekar@gmail.com): Testing, datasets generation and storage.
+* [**Romain Picard**](mailto:romain.picard@oakbits.com): Several Plugins implementation.
 * [**Radion Bikmukhamedov**](mailto:radion.bikmukhamedov@pm.me): Initial work on SPLT analysis NFPlugin.
 
 ### Supporting organizations
diff --git a/nfstream/plugins/__init__.py b/nfstream/plugins/__init__.py
index 4fa3f4e8..4e986273 100644
--- a/nfstream/plugins/__init__.py
+++ b/nfstream/plugins/__init__.py
@@ -1,6 +1,22 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
 
+"""
+------------------------------------------------------------------------------------------------------------------------
+__init__.py
+Copyright (C) 2019-20 - NFStream Developers
+This file is part of NFStream, a Flexible Network Data Analysis Framework (https://www.nfstream.org/).
+NFStream is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
+version.
+NFStream 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 Lesser General Public License for more details.
+You should have received a copy of the GNU Lesser General Public License along with NFStream.
+If not, see <http://www.gnu.org/licenses/>.
+------------------------------------------------------------------------------------------------------------------------
+"""
 
-from .split import SPLT
+from .splt import SPLT
 try:
     from .dhcp import Dhcp
 except ImportError:
diff --git a/nfstream/plugins/dhcp.py b/nfstream/plugins/dhcp.py
index 61f3e26c..ec52c4e5 100644
--- a/nfstream/plugins/dhcp.py
+++ b/nfstream/plugins/dhcp.py
@@ -1,3 +1,21 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+------------------------------------------------------------------------------------------------------------------------
+dhcp.py
+Copyright (C) 2019-20 - NFStream Developers
+This file is part of NFStream, a Flexible Network Data Analysis Framework (https://www.nfstream.org/).
+NFStream is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
+version.
+NFStream 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 Lesser General Public License for more details.
+You should have received a copy of the GNU Lesser General Public License along with NFStream.
+If not, see <http://www.gnu.org/licenses/>.
+------------------------------------------------------------------------------------------------------------------------
+"""
+
 from enum import Enum
 import ipaddress
 from nfstream import NFPlugin
@@ -54,9 +72,9 @@ def on_update(self, packet, flow):
                     hostname = opt[1].decode('utf-8', errors='replace')
                     if len(hostname) > 0:
                         flow.udps.dhcp_12 = hostname
-                elif opt[0] == 53:  #  Msg type
+                elif opt[0] == 53:  # Msg type
                     msg_type = MsgType(int.from_bytes(opt[1], "big"))
-                elif opt[0] == 60:  #  Vendor class identifier
+                elif opt[0] == 60:  # Vendor class identifier
                     flow.udps.dhcp_60 = opt[1].decode('utf-8')
                 elif opt[0] == 77: # User class id
                     flow.udps.dhcp_77 = opt[1].decode('utf-8')
diff --git a/nfstream/plugins/split.py b/nfstream/plugins/splt.py
similarity index 66%
rename from nfstream/plugins/split.py
rename to nfstream/plugins/splt.py
index db02e170..17038081 100644
--- a/nfstream/plugins/split.py
+++ b/nfstream/plugins/splt.py
@@ -1,3 +1,21 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+------------------------------------------------------------------------------------------------------------------------
+splt.py
+Copyright (C) 2019-20 - NFStream Developers
+This file is part of NFStream, a Flexible Network Data Analysis Framework (https://www.nfstream.org/).
+NFStream is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
+version.
+NFStream 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 Lesser General Public License for more details.
+You should have received a copy of the GNU Lesser General Public License along with NFStream.
+If not, see <http://www.gnu.org/licenses/>.
+------------------------------------------------------------------------------------------------------------------------
+"""
+
 from nfstream import NFPlugin