Added Linux trademark sentence to README

README.md

@@ -1,10 +1,11 @@
-        Copyright (C)  2020  Masscollabs Services, hwpplayers, procyberian(procyberian-linux), amassivus
-	    Permission is granted to copy, distribute and/or modify this document
-        under the terms of the GNU Free Documentation License, Version 1.3
-        or any later version published by the Free Software Foundation;
-        with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
-        A copy of the license is included in the section entitled "GNU
-        Free Documentation License".
+Copyright (C)  2020  Masscollabs Services, hwpplayers, procyberian(procyberian-linux), amassivus
+
+Permission is granted to copy, distribute and/or modify this document
+under the terms of the GNU Free Documentation License, Version 1.3
+or any later version published by the Free Software Foundation;
+with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
+A copy of the license is included in the section entitled "GNU
+Free Documentation License".
 
 ## procyberian-Linux
 
@@ -22,3 +23,5 @@ Feel free to email to these addresses :
 * support at masscollabs dot com
 
 or join [procyberian Freenode channel](https://webchat.freenode.net/?channels=#procyberian) to ask your questions.
+
+* Linux® is a registered trademark of Linus Torvalds [(info)](http://www.linuxfoundation.org/programs/legal/trademark/attribution)