diff --git a/AUTHORS b/AUTHORS
index 88475020..bb0034e6 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -555,6 +555,9 @@ Simen Graaten <simeng@slarkware.com>
 Simon Josefsson <simon@josefsson.org>
 	GnuTLS improvements
 
+Simon Ruderich <simon@ruderich.org>
+	Minor documentation updates
+
 Simon Wilkinson <simon@sxw.org.uk>
 	Support for X509 client certificates
 
diff --git a/contrib/user.css b/contrib/user.css
index 2e37c57e..63d6a2f8 100644
--- a/contrib/user.css
+++ b/contrib/user.css
@@ -2,7 +2,9 @@
  * document.css.stylesheet to "user.css". If you prefer another directory
  * or filename, put the appropriate pathname in document.css.stylesheet.
  * ELinks will assume that the path is relative to the its configuration
- * directory if it does not begin with a slash. */
+ * directory if it does not begin with a slash.
+ *
+ * To use colors document.colors.use_document_colors must be set to 1 or 2! */
 
 body {
 	/* Don't like the default colours? No problem: */
@@ -39,7 +41,8 @@ h1 {
 	color: lightgoldenrod !important;
 }
 
-/* The following specifies colors used in the HTML highlighting. */
+/* The following specifies colors used in the HTML highlighting. Elinks must
+ * be compiled with --enable-html-highlight to use them. */
 document	 { color: yellow }
 element		 { color: lightgreen }
 entity-reference { color: red }