cmd/addchain: flag tweaks

Author: mmcloughlin

cmd/addchain/cite.go

@@ -25,7 +25,7 @@ func (*cite) Usage() string {
 
 Output citation for addchain.
 
- `
+`
 }
 
 func (cmd *cite) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) (status subcommands.ExitStatus) {

cmd/addchain/eval.go

@@ -25,7 +25,7 @@ func (*eval) Usage() string {
 
 Evaluate an addition chain script.
 
- `
+`
 }
 
 func (cmd *eval) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) (status subcommands.ExitStatus) {

cmd/addchain/fmt.go

@@ -26,7 +26,7 @@ func (*format) Usage() string {
 
 Format an addition chain script.
 
- `
+`
 }
 
 func (cmd *format) SetFlags(f *flag.FlagSet) {

cmd/addchain/search.go

@@ -34,11 +34,11 @@ func (*search) Usage() string {
 
 Search for an addition chain for <expr>.
 
- `
+`
 }
 
 func (cmd *search) SetFlags(f *flag.FlagSet) {
-	f.IntVar(&cmd.concurrency, "p", runtime.NumCPU(), "number of algorithms to run in parallel")
+	f.IntVar(&cmd.concurrency, "p", runtime.NumCPU(), "run `N` algorithms in parallel")
 	f.BoolVar(&cmd.verbose, "v", false, "verbose output")
 	f.StringVar(&cmd.cpuprofile, "cpuprofile", "", "write cpu profile to `file`")
 }

cmd/addchain/version.go

@@ -21,11 +21,11 @@ type version struct {
 func (*version) Name() string     { return "version" }
 func (*version) Synopsis() string { return "print addchain version" }
 func (*version) Usage() string {
-	return `Usage: version [<filename>]
+	return `Usage: version
 
 Print the version of the addchain tool.
 
- `
+`
 }
 
 func (cmd *version) Execute(_ context.Context, f *flag.FlagSet, _ ...interface{}) (status subcommands.ExitStatus) {