Explain that the format argument is case insensitive
@@ -110,7 +110,7 @@ enum Cli {
#[structopt(flatten)]
common: ProbeOptions,
- /// Format of the file to be downloaded to the flash
+ /// Format of the file to be downloaded to the flash. Possible values are case-insensitive.
#[structopt(
possible_values = &DownloadFileType::variants(),
case_insensitive = true,
