diff --git a/src/game.rs b/src/game.rs
index 2253b84..1d13000 100644
--- a/src/game.rs
+++ b/src/game.rs
@@ -662,7 +662,7 @@ impl Game {
         new_unique_id(self.variable_ids())
     }
 
-    /// adds a palette safely and returns the new palette ID
+    /// adds a palette safely and returns the ID
     #[inline]
     pub fn add_palette(&mut self, mut palette: Palette) -> String {
         let new_id = try_id(self.palette_ids(), palette.id.clone());
@@ -673,7 +673,7 @@ impl Game {
         new_id
     }
 
-    /// adds a tile safely and returns the new tile ID
+    /// adds a tile safely and returns the ID
     #[inline]
     pub fn add_tile(&mut self, mut tile: Tile) -> String {
         if self.tile_ids().contains(&tile.id) {
@@ -687,7 +687,7 @@ impl Game {
         id
     }
 
-    /// adds a sprite safely and returns the new sprite ID
+    /// adds a sprite safely and returns the ID
     #[inline]
     pub fn add_sprite(&mut self, mut sprite: Sprite) -> String {
         let new_id = try_id(self.sprite_ids(), sprite.id.clone());
@@ -698,7 +698,7 @@ impl Game {
         new_id
     }
 
-    /// adds an item safely and returns the new item ID
+    /// adds an item safely and returns the ID
     #[inline]
     pub fn add_item(&mut self, mut item: Item) -> String {
         let new_id = try_id(self.item_ids(), item.id.clone());
@@ -709,7 +709,7 @@ impl Game {
         new_id
     }
 
-    /// adds a dialogue safely and returns the new dialogue ID
+    /// adds a dialogue safely and returns the ID
     #[inline]
     pub fn add_dialogue(&mut self, mut dialogue: Dialogue) -> String {
         let new_id = try_id(self.dialogue_ids(), dialogue.id.clone());
@@ -720,6 +720,7 @@ impl Game {
         new_id
     }
 
+    /// adds an ending safely and returns the ID
     pub fn add_ending(&mut self, mut ending: Ending) -> String {
         let new_id = try_id(self.ending_ids(), ending.id.clone());
         if new_id != ending.id {