diff --git a/twitter/twitter.php b/twitter/twitter.php
index 21dbc0ba..bde494e1 100755
--- a/twitter/twitter.php
+++ b/twitter/twitter.php
@@ -5,9 +5,34 @@
  * Version: 1.0.4
  * Author: Tobias Diekershoff <http://diekershoff.homeunix.net/friendika/profile/tobias>
  * Author: Michael Vogel <https://pirati.ca/profile/heluecht>
+ *
+ * Copyright (c) 2011-2013 Tobias Diekershoff, Michael Vogel
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *    * Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *    * Redistributions in binary form must reproduce the above
+ *    * copyright notice, this list of conditions and the following disclaimer in
+ *      the documentation and/or other materials provided with the distribution.
+ *    * Neither the name of the <organization> nor the names of its contributors
+ *      may be used to endorse or promote products derived from this software
+ *      without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
  */
-
-
+ 
 /*   Twitter Plugin for Friendica
  *
  *   Author: Tobias Diekershoff