diff --git a/Coding-guidelines.md b/Coding-guidelines.md
index 268ed9c..01e79f9 100644
--- a/Coding-guidelines.md
+++ b/Coding-guidelines.md
@@ -4,6 +4,7 @@
 4. Don't bring any additional dependency without discussion. However boost, openssl and zlib can be used in any amount.
 5. No requirements for formatting or coding style. You can do whatever you like.
 6. When you work with binary data, mind endianess. Use functions from I2PEndian.h
+7. You must not be involved in any project under Monero license
 
 ## Coding styleguide