diff --git a/docs/tildagon-apps/reference/badge-hardware.md b/docs/tildagon-apps/reference/badge-hardware.md
index 796d871..e98f7f2 100644
--- a/docs/tildagon-apps/reference/badge-hardware.md
+++ b/docs/tildagon-apps/reference/badge-hardware.md
@@ -436,11 +436,11 @@ class ExampleApp(app.App):
 
     def draw(self, ctx):
         ctx.save()
-        ctx.rgb(0.2,0,0).rectangle(-120,-120,240,240).fill()
+        ctx.rgb(0.2, 0, 0).rectangle(-120, -120, 240, 240).fill()
         if self.steps_read:
-            ctx.rgb(1,0,0).move_to(-80,-40).text("steps:\n{}\n".format(self.steps_read))
+            ctx.rgb(1, 0, 0).move_to(-80, -40).text("steps:\n{}\n".format(self.steps_read))
         else:
-            ctx.rgb(1,0,0).move_to(-80,0).text("no readings yet")
+            ctx.rgb(1, 0,  0).move_to(-80, 0).text("no readings yet")
         ctx.restore()
 
 __app_export__ = ExampleApp