diff --git a/src/main/java/seedu/waddle/ui/UiSizes.java b/src/main/java/seedu/waddle/ui/UiSizes.java
index 63c5bf8d401..038b595a4cb 100644
--- a/src/main/java/seedu/waddle/ui/UiSizes.java
+++ b/src/main/java/seedu/waddle/ui/UiSizes.java
@@ -1,5 +1,8 @@
 package seedu.waddle.ui;
 
+/**
+ * Standard sizes for UI elements.
+ */
 public class UiSizes {
     public static final double ITEM_CARD_HEIGHT = 120;
     public static final double ITEM_LIST_MIN_HEIGHT = 20;