Sources/GeoTiff.md

@@ -20,6 +20,7 @@ gdal_translate input.tif output.tif -co TILED=YES -co COPY_SRC_OVERVIEWS=YES -co
 You can then add pyramids to the file as follows:
 
 ```bash
+gdaladdo -clean output.tif
 gdaladdo -r lanczos output.tif
 ```