diff --git a/src/main/res/values/about.xml b/src/main/res/values/about.xml
index d02b047c6..86feb280a 100644
--- a/src/main/res/values/about.xml
+++ b/src/main/res/values/about.xml
@@ -11,6 +11,7 @@
 			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.
+			Only the monocles names, logos and designs are under copyright by Arne-Bruen Vogelsang and not allowed to be used.
 			\n\nYou should have received a copy of the GNU General Public License
 			along with this program. If not, see https://www.gnu.org/licenses
 			\n\nDownload the full original source code at https://github.com/siacs/Conversations (Copyright © Daniel Gultsch)