diff --git a/Interaction.md b/Interaction.md
index 942e3a4..45fb56a 100644
--- a/Interaction.md
+++ b/Interaction.md
@@ -1,23 +1,31 @@
 # Interaction
 
-## Double Click Zoom
+Double Click Zoom:
 
 * Apply a zoom factor
 * Apply resolution constraint for each double click
 
-## Pinch Zoom
+```
+    var options = {constrained: true, animated: false};
+    map.moveTo(center, map.getResolution() * factor, options)
+```
+
+Pinch Zoom:
 
 * No resolution constraint while pinching
 * Use CSS3 transforms?
 * Apply resolution constraint when releasing mouse to determine the final resolution
 * Animate to final resolution
 
-## (Alt) Drag Rotate
+(Alt) Drag Rotate:
 
 * No rotation constraint while rotating
 * Apply rotation constraint when releasing mouse to determine the final angle
 * Animate to final angle
 
-## Mouse Wheel Zoom
+Mouse Wheel Zoom:
+
+* Apply resolution constraint as the user scrolls
+
+Map API:
 
-* Apply resolution constraint as the user scrolls
\ No newline at end of file