Update charts.md (#9472)

diff --git a/docs/developers/charts.md b/docs/developers/charts.md
index 9570d0628a97f2d5d00dfbacd9998d45353dcb9e..c37cace2c5042931d735c9d04b384a345bf61300 100644 (file)
--- a/docs/developers/charts.md
+++ b/docs/developers/charts.md
@@ -107,7 +107,7 @@ class Custom extends BubbleController {
         ctx.strokeRect(x - radius, y - radius, 2 * radius, 2 * radius);
         ctx.restore();
     }
-});
+};
 Custom.id = 'derivedBubble';
 Custom.defaults = BubbleController.defaults;