diff --git a/user_guide/libraries/sessions.html b/user_guide/libraries/sessions.html
index 312f715..03d15f1 100644
--- a/user_guide/libraries/sessions.html
+++ b/user_guide/libraries/sessions.html
@@ -269,7 +269,7 @@
 <tr>
     <td class="td"><strong>sess_time_to_update</strong></td>
     <td class="td">300</td>
-    <td class="td">Time in milliseconds</td>
+    <td class="td">Time in seconds</td>
     <td class="td">This options controls how often the session class will regenerate itself and create a new session id.</td>
 </tr>
 <tr>