Update: Gaussian filter help message

Author: heptaflar

README.md

@@ -49,8 +49,7 @@ will print a detailed usage message to the screen:
                [--chunk-size-lon CHUNK_SIZE_LON] [--depth-level {0.0,3.0,10.0}]
                [--engine-reader {h5netcdf,netcdf4,zarr}]
                [--engine-writer {h5netcdf,netcdf4,zarr}]
-               [--gaussian-filter {0.5,1.0,1.5,2.0,2.5,3.0,3.5,4.0,4.5,5.0}]
-               [--horizon {1,2,3,4,5,6,7}]
+               [--gaussian-filter FWHM] [--horizon {1,2,3,4,5,6,7}]
                [--log-level {debug,info,warning,error,off}]
                [--mode {multithreading,synchronous}] [--model MODEL]
                [--nthread {1,2,3,4,5,6,7,8}] [--workers {1,2,3,4,5,6,7,8}]