diff --git a/theme/pdf/pdf.css b/theme/pdf/pdf.css
index 8d696ca9..2bd11a8e 100644
--- a/theme/pdf/pdf.css
+++ b/theme/pdf/pdf.css
@@ -11,7 +11,7 @@ pre[data-type="programlisting"] {
 /*hack to align sidebars to top of page*/
 .less_space {margin-top: 0 !important;}
 
-*Image resizing*/
+/*Image resizing*/
 figure.smallerninetyfive img { width: 95%; }
 
 figure.smallerninety img { width: 90%; }