diff --git a/docbook/release-notes.asciidoc b/docbook/release-notes.asciidoc
index d815158138..896657527b 100644
--- a/docbook/release-notes.asciidoc
+++ b/docbook/release-notes.asciidoc
@@ -1,4 +1,5 @@
 include::attributes.asciidoc[]
+:stylesheet: ws.css
 
 = Wireshark {wireshark-version} Release Notes
 // AsciiDoc quick reference: http://powerman.name/doc/asciidoc
diff --git a/docbook/ws.css b/docbook/ws.css
index 766076df0f..5cac87a163 100644
--- a/docbook/ws.css
+++ b/docbook/ws.css
@@ -1,6 +1,9 @@
 /*
   CSS stylesheet for XHTML produced by DocBook XSL stylesheets.
   Derived from http://www.methods.co.nz/asciidoc/docbook-xsl.css
+
+  We might be able to get or make prettier CSS via
+  http://themes.asciidoctor.org/
 */
 
 span.strong {