diff --git a/Roadmap.md b/Roadmap.md
index 5282973..702cf41 100644
--- a/Roadmap.md
+++ b/Roadmap.md
@@ -7,7 +7,7 @@
 * (in progress) Animations (zoom level transitions, tile fade-in, etc.).
 * (in progress) User facing API.
 * (in progress) Full library build.
-* Rendering performance benchmarking and improvements.
+* Rendering performance benchmarking and improvements (map zooming/dragging on mobile)
 * Support for custom builds (web based tool).
 * Implement pinch zoom.
 * Implement a popup overlay.