diff --git a/src/ol/ol.js b/src/ol/ol.js
index 9a14b339eb..23c754f49a 100644
--- a/src/ol/ol.js
+++ b/src/ol/ol.js
@@ -190,7 +190,8 @@ ol.RASTER_REPROJECTION_MAX_SOURCE_TILES = 100;
  * @define {number} Maximum number of subdivision steps during raster
  *     reprojection triangulation. Prevents high memory usage and large
  *     number of proj4 calls (for certain transformations and areas).
- *     At most `2*(2^this)` triangles are created. Default is `10`.
+ *     At most `2*(2^this)` triangles are created for each triangulated
+ *     extent (tile/image). Default is `10`.
  */
 ol.RASTER_REPROJECTION_MAX_SUBDIVISION = 10;
 
diff --git a/src/ol/reproj/triangulation.js b/src/ol/reproj/triangulation.js
index bc4cbe1571..571c676c6a 100644
--- a/src/ol/reproj/triangulation.js
+++ b/src/ol/reproj/triangulation.js
@@ -79,9 +79,7 @@ ol.reproj.Triangulation = function(sourceProj, targetProj, targetExtent,
   this.triangles_ = [];
 
   /**
-   * Indicates that source coordinates have to be shifted during reprojection.
-   * This is needed when the triangulation crosses
-   * edge of the source projection (dateline).
+   * Indicates that the triangulation crosses edge of the source projection.
    * @type {boolean}
    * @private
    */