diff --git a/static/doc.css b/static/doc.css
index dafa369..54681e0 100644
--- a/static/doc.css
+++ b/static/doc.css
@@ -2,7 +2,7 @@ body {
     margin: 40px auto;
     max-width: 650px;
     padding: 0 10px;
-    font-family: monospace;
+    font-family: FreeSans,sans-serif;
     font-size: 11pt;
 }