update test command filter help
@@ -119,7 +119,8 @@ fn run() -> error::Result<()> {
Arg::with_name("filter")
.long("filter")
.short("f")
- .takes_value(true),
+ .takes_value(true)
+ .help("Only runs tests that include the string passed as argument."),
)
.arg(Arg::with_name("update").long("update").short("u").help("Update all syntax trees in corpus files with current parser output."))
.arg(Arg::with_name("debug").long("debug").short("d"))
