diff --git a/user_guide/libraries/config.html b/user_guide/libraries/config.html
index 2797cd2..f8a9f52 100644
--- a/user_guide/libraries/config.html
+++ b/user_guide/libraries/config.html
@@ -151,7 +151,7 @@
<h2>Setting a Config Item</h2>
-<p>If you would like to dynamically set a config item or change an existing one, you can so so using:</p>
+<p>If you would like to dynamically set a config item or change an existing one, you can so using:</p>
<code>$this->config->set_item('<var>item_name</var>', '<var>item_value</var>');</code>