diff --git a/src/main.rs b/src/main.rs
index cc01a35..98f4d28 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -86,12 +86,12 @@ struct Ending {
 #[derive(Debug, Eq, PartialEq)]
 struct Room {
     id: String,
-    palette: String, /// id
+    palette: String, // id
     name: Option<String>,
-    tiles: Vec<String>, /// tile ids
-    items: HashMap<Position, String>, /// item id
+    tiles: Vec<String>, // tile ids
+    items: HashMap<Position, String>, // item id
     exits: HashMap<Position, Exit>,
-    endings: HashMap<Position, Ending>,
+    endings: HashMap<Position, String>, // ending id
 }
 
 #[derive(Debug, Eq, PartialEq)]
@@ -711,7 +711,7 @@ fn room_from_string(string: String) -> Room {
     let mut palette = "0".to_string();
     let mut items: HashMap<Position, String> = HashMap::new();
     let mut exits: HashMap<Position, Exit> = HashMap::new();
-    let endings: HashMap<Position, Ending> = HashMap::new();
+    let mut endings: HashMap<Position, String> = HashMap::new();
 
     loop {
         let last_line = lines.pop().unwrap();