Example wording

examples/pinch-zoom.html

@@ -1,10 +1,11 @@
 ---
 layout: example.html
-title: PinchZoom
-shortdesc: A basic example for a pinch zoom with a restriction to integer zooms.
+title: Pinch Zoom
+shortdesc: Restrict pinch zooming to integer zoom levels.
 docs: >
-  <p>Use a pinch zoom gesture to zoom the map.
-    After the gesture the map will zoomed to the next whole-number zoom level with an animtation.</p>
+  By default, the `ol.interaction.PinchZoom` can leave the map at fractional zoom levels.
+  If instead you want to constrain pinch zooming to integer zoom levels, set
+  <code>constrainResolution: true</code> when constructing the interaction.
 tags: "pinch, zoom, interaction"
 ---
 <div id="map" class="map"></div>