diff --git a/static/rest_framework_swagger/lib/marked.js b/static/rest_framework_swagger/lib/marked.js
index c2a678d5..f2b1521e 100644
--- a/static/rest_framework_swagger/lib/marked.js
+++ b/static/rest_framework_swagger/lib/marked.js
@@ -1083,7 +1083,8 @@ function escape(html, encode) {
 }
 
 function unescape(html) {
-  return html.replace(/&([#\w]+);/g, function(_, n) {
+  // explicitly match decimal, hex, and named HTML entities 
+  return html.replace(/&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(\w+))/g, function(_, n) {
     n = n.toLowerCase();
     if (n === 'colon') return ':';
     if (n.charAt(0) === '#') {