diff --git a/README.md b/README.md
index 4958fb6..aeff15c 100644
--- a/README.md
+++ b/README.md
@@ -30,4 +30,5 @@ $ python3 pep.py
 
 ## License
 All code in this repository is licensed under the GNU AGPL 3 License.  
-See the "LICENSE" file for more information
+See the "LICENSE" file for more information  
+This project contains code taken by reference from [miniircd](https://github.com/jrosdahl/miniircd) by Joel Rosdahl.
diff --git a/irc/ircserver.py b/irc/ircserver.py
index 8a766e1..0a1972d 100644
--- a/irc/ircserver.py
+++ b/irc/ircserver.py
@@ -1,3 +1,11 @@
+"""
+This file has been _rewritten_ taking by reference code from
+miniircd (https://github.com/jrosdahl/miniircd)
+by Joel Rosdahl, licensed under the GNU GPL 2 License.
+
+Most of the reference code from miniircd was used for the low-level logic.
+The high-level code has been rewritten to make it compatible with pep.py.
+"""
 import sys
 import traceback
 import socket