diff --git a/README.md b/README.md
index 1e6d287b2c..7caa9e253f 100644
--- a/README.md
+++ b/README.md
@@ -59,6 +59,7 @@ Other options
 * **maxClusterRadius**: The maximum radius that a cluster will cover from the central marker (in pixels). Default 80. Decreasing will make more smaller clusters.
 * **polygonOptions**: Options to pass when creating the L.Polygon to show the bounds of a cluster
 * **singleMarkerMode**: If set to true, overrides the icon for all added markers to make them appear as a 1 size cluster
+* **spiderfyDistanceMultiplier**: Increase from 1 to increase the distance away from the center that spiderfied markers are placed. Use if you are using big marker icons.
 
 ## Events
 If you register for click, mouseover, etc events just related to Markers in the cluster.