1 files changed, 5 insertions, 0 deletions
diff --git a/src/tool/polygon_room_tool.rs b/src/tool/polygon_room_tool.rs
index de6714d..33daaf5 100644
--- a/src/tool/polygon_room_tool.rs
+++ b/src/tool/polygon_room_tool.rs
@@ -1,3 +1,5 @@
+//! Tool to create rooms in the shape of generic polygons.
+
 use super::Tool;
 use crate::colours::DEFAULT_COLOURS;
 use crate::map::Map;
@@ -10,6 +12,7 @@ struct UnfinishedPolygon {
     pub working_corner: Vec2<f64>,
 }
 
+/// The tool itself.
 pub struct PolygonRoomTool {
     unfinished_polygon: Option<UnfinishedPolygon>,
 }
@@ -76,6 +79,8 @@ impl UnfinishedPolygon {
 }
 
 impl PolygonRoomTool {
+    /// Create a new polygon room tool. There should be only one instance and it should be created
+    /// in the editor.
     pub fn new() -> Self {
         Self {
             unfinished_polygon: None,