Updated Comments

src/data/battler-tags.ts

@@ -3221,10 +3221,20 @@ export class ImprisonTag extends MoveRestrictionBattlerTag {
   }
 }
 
+/**
+ * Battler Tag indicating that a Pokémon has used {@linkcode MoveId.TRANSFORM}
+ *
+ * The tag allows us to prevent certain actions such as using Transform on a Pokemon which has already transformed,
+ * and is used to ensure correct battle behavior after transformation.
+ */
 export class TransformTag extends BattlerTag {
   constructor(sourceId: number) {
     super(BattlerTagType.TRANSFORM, BattlerTagLapseType.MOVE, Number.MAX_SAFE_INTEGER, MoveId.TRANSFORM, sourceId);
   }
+  /**
+   * Adds the Transform battler tag to the Pokemon transforming.
+   * @param pokemon - The {@linkcode Pokemon} transforming
+   */
   override onAdd(pokemon: Pokemon): void {
     super.onAdd(pokemon);
   }