Update README (#49)

Co-authored-by: Pirmin Kaufmann <[email protected]>

README.md

@@ -209,10 +209,10 @@ evince $dest/*pdf
 
 ### Running Pyflexplot with S3 input (and output)
 
-In order to download input NETCDF data from S3, and S3 URI can be specified as the setup parameter `infile` as below:
+In order to download input NETCDF data from S3, and S3 URI can be specified as the setup parameter `infile` as below (example):
 
 ```bash
-pyflexplot --preset "$preset" --merge-pdfs --dest=$dest --setup infile s3://<s3-bucket-name>/flexpart_cosmo-2e_2021030503_{ens_member:03d}_MUE.nc
+pyflexplot --preset "$preset" --merge-pdfs --dest=$dest --setup infile s3://<s3-bucket-name>/flexpart_cosmo-2e_2021030503_{ens_member:03}_MUE.nc
 ```
 
 In order to output the resulting plots to an S3 bucket, specify the S3 bucket name as the `--dest`. The plots will still be created locally at the dest dir path defined in the config/settings.yaml