diff --git a/docs/releases/security.txt b/docs/releases/security.txt
index 022e240866b..afe0fbdbe2f 100644
--- a/docs/releases/security.txt
+++ b/docs/releases/security.txt
@@ -370,7 +370,7 @@ October 17, 2012
 
 * **Issues:**
 
-    * ``Host`` header poisoning: `CVE-2012-4520 <http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-4520&cid=2`_
+    * ``Host`` header poisoning: `CVE-2012-4520 <http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-4520&cid=2>`_
 
 * **Versions affected:**
 
@@ -524,4 +524,4 @@ September 14, 2013
 
     * `1.5 CVE-2013-1443 <https://github.com/django/django/commit/22b74fa09d7ccbc8c52270d648a0da7f3f0fa2bc>`_
 
-      
\ No newline at end of file
+