diff --git a/src/openseadragon.js b/src/openseadragon.js
index e1a37e2f..27d3262c 100644
--- a/src/openseadragon.js
+++ b/src/openseadragon.js
@@ -515,15 +515,17 @@
   *
   * @property {Boolean} [preserveViewport=false]
   *     If the viewer has been configured with a sequence of tile sources, then
-  *     normally navigating to through each image resets the viewport to 'home'
+  *     normally navigating through each image resets the viewport to 'home'
   *     position.  If preserveViewport is set to true, then the viewport position
   *     is preserved when navigating between images in the sequence.
   *
   * @property {Boolean} [preserveOverlays=false]
   *     If the viewer has been configured with a sequence of tile sources, then
-  *     normally navigating to through each image resets the overlays.
+  *     normally navigating through each image resets the overlays.
   *     If preserveOverlays is set to true, then the overlays
   *     are preserved when navigating between images in the sequence.
+  *     Note: setting preserveOverlays overrides any overlays specified in the
+  *     "overlays" property.
   *
   * @property {Boolean} [showReferenceStrip=false]
   *     If the viewer has been configured with a sequence of tile sources, then