diff --git a/README.md b/README.md
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@@ -102,6 +102,8 @@ addLayer, removeLayer and clearLayers are supported and they should work for mos
 ### Bulk adding and removing Markers
 addLayers and removeLayers are bulk methods for adding and removing markers and should be favoured over the single versions when doing bulk addition/removal of markers. Each takes an array of markers
 
+If you are removing a lot of markers it will almost definitely be better to call clearLayers then call addLayers to add the markers you don't want to remove back in. See [#59](https://github.com/danzel/Leaflet.markercluster/issues/59#issuecomment-9320628) for details.
+
 ### Other Methods
 ````
 hasLayer(layer): Returns true if the given layer (marker) is in the MarkerClusterGroup