diff --git a/README.md b/README.md
index e015f29..3ce39aa 100644
--- a/README.md
+++ b/README.md
@@ -119,3 +119,11 @@ Delete your `.sitegen_cache` file.
 * use sitecache with pandoc renderer
 * draft documents
 * treesitter highlighting for moonscript
+
+## todo
+
+* add more than one ship
+* make corners not bouncy
+* increase ship radius
+* add a Draw system?
+* wall entities
diff --git a/html/images/space.svg b/html/images/space.svg
index 26ae702..d6e3fd1 100644
--- a/html/images/space.svg
+++ b/html/images/space.svg
@@ -685,7 +685,7 @@ const Move = (() => {
 
     return [...edgeColl, ...cornerColl];
   }
-// Math.round(3.141592653589793e+15 / 1)
+
   function vector(x, y) {
     const vector = { x: x, y: y };
     vector.magnitude = Math.sqrt(x**2+y**2);