diff --git a/LICENSE.txt b/LICENSE.txt
index c7185682..3b890d98 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -32,8 +32,10 @@ LICENSES
 Website source code:
 Public domain except as listed below:
 
-   i2pwww/extensions.py:
+   HighlightExtension (in i2pwww/extensions.py):
    Copyright (c) 2014, str4d
+   Copyright (c) 2012, Tasos.Latsas
+   Original source: https://pypi.python.org/pypi/jinja2-highlight/0.4.0
    See licenses/LICENSE-GPLv3.txt