some minor grammar errors
diff --git a/user_guide/libraries/validation.html b/user_guide/libraries/validation.html
index facd1a5..afb960a 100644
--- a/user_guide/libraries/validation.html
+++ b/user_guide/libraries/validation.html
@@ -610,7 +610,7 @@
</tr>
</table>
-<p><strong>Note:</strong> These rules can also be called as discreet functions. For example:</p>
+<p><strong>Note:</strong> These rules can also be called as discrete functions. For example:</p>
<code>$this->validation->required($string);</code>