diff --git a/security/sessions.xml b/security/sessions.xml
index 855dc52c1e..da087d8c19 100644
--- a/security/sessions.xml
+++ b/security/sessions.xml
@@ -5,7 +5,7 @@
 
   <para>
    It is important keeping HTTP session management secure. Session
-   releated security is described in 
+   related security is described in
    <link linkend="session.security">Session Security</link> section
    of <link linkend="book.session">Session module</link> reference.
   </para>