diff --git a/www/pages/help/map.html b/www/pages/help/map.html
index bafc5fb..3810868 100644
--- a/www/pages/help/map.html
+++ b/www/pages/help/map.html
@@ -39,6 +39,14 @@
and
+
+ Drag on
+
+ to rotate and tilt the map. Dragging left and right rotates, up and down tilts.
+ You can also rotate with two fingers by twisting them around each other,
+ or with a keyboard by holding Ctrl and dragging the mouse.