diff --git a/documentation/reference/data-format.en.md b/documentation/reference/data-format.en.md index 81467d955..cfe4f5725 100644 --- a/documentation/reference/data-format.en.md +++ b/documentation/reference/data-format.en.md @@ -37,7 +37,7 @@ this is inefficient. ### Use COG (Cloud Optimized GeoTIFF) -The [Cloud Optimized Geotiff (COG)](https://www.cogeo.org/) format will offer best user experience for offline basemaps. +The [Cloud Optimized Geotiff (COG)](https://www.cogeo.org/) format will offer best user experience for offline basemaps. Combined with JPEG compression, it will reduce the raster size. The following commands will convert a file called `raster.tif` to a COG file `raster_cog.tif` using JPEG compression.