diff --git a/Overview.html b/Overview.html
index c747e4b..f6d4e22 100644
--- a/Overview.html
+++ b/Overview.html
@@ -100,6 +100,8 @@ a {
 		<p>Ordinary chests found in the default game connect to tubes from every side except the front.</p>
 		<p>Items can be added to chests using tube-related devices, or removed from them using filters/injectors.</p>
 		<p>Attempting to add items to a full chest results in the item being dropped onto the ground.</p>
+		<h3>Locked Chests</h3>
+		<p>Locked chests from the default game connect to tubes and recieve items as ordinary chests do, but items cannot be removed from locked chests with filters/injectors.</p>
 		<h3>Furnaces</h3>
 		<p>Ordinary furnaces found in the default game connect to tubes from every side except the front.</p>
 		<img src="img/Furnaces.png">