Update LICENSE.md

LICENSE.md

@@ -1,8 +1,11 @@
 # License
 Copyright (C) Pimcore GmbH
 
-This software is available under following license:
+This software is available under two different licenses:
 * GNU General Public License version 3 (GPLv3) as Pimcore Community Edition
+* Pimcore Commercial License (PCL)
+
+The default Pimcore license, without a valid Pimcore Commercial License agreement, is the Open-Source GPLv3 license.
 
 ## GNU General Public License version 3 (GPLv3)
 If you decide to choose the GPLv3 license, you must comply with the following terms:
@@ -18,4 +21,16 @@ 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/>.
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+## Pimcore Commercial License (PCL)
+Alternatively, commercial and supported versions of the program - also known as
+Commercial Distributions - must be used in accordance with the terms and conditions
+contained in a separate written agreement between you and Pimcore GmbH.
+For more information about the Pimcore Commercial License (PCL) please contact [email protected].
+
+
+
+Please see also (files in this directory):
+- [Licensing FAQ - license-faq.md](https://github.com/pimcore/pimcore/blob/master/license-faq.md)
+- [GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007 - gpl-3.0.txt](gpl-3.0.txt)