diff --git a/css/syntax.css b/css/syntax.css
index 2774b7649263d005cb3f20fe10433b2b4a38331c..2dea2e2d718b95b5df73bae9ef774a6a349a7360 100644
--- a/css/syntax.css
+++ b/css/syntax.css
@@ -1,3 +1,10 @@
+/*
+ * syntax.css
+ * GitHub syntax highlighting styles
+ * obtained from https://github.com/mojombo/tpw/blob/master/css/syntax.css
+ *
+ */
+ 
 .highlight  { background: #ffffff; }
 .highlight .c { color: #999988; font-style: italic } /* Comment */
 .highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */