terminal/command: Update `clearall` help text

terminal/command.go

@@ -61,7 +61,7 @@ func DebugCommands(client service.Client) *Commands {
 		{aliases: []string{"threads"}, cmdFn: threads, helpMsg: "Print out info for every traced thread."},
 		{aliases: []string{"thread", "tr"}, cmdFn: thread, helpMsg: "Switch to the specified thread."},
 		{aliases: []string{"clear"}, cmdFn: clear, helpMsg: "Deletes breakpoint."},
-		{aliases: []string{"clearall"}, cmdFn: clearAll, helpMsg: "clearall [<linespec>]. Deletes all breakpoints matching linespec."},
+		{aliases: []string{"clearall"}, cmdFn: clearAll, helpMsg: "clearall [<linespec>]. Deletes all breakpoints. If <linespec> is provided, only matching breakpoints will be deleted."},
 		{aliases: []string{"goroutines"}, cmdFn: goroutines, helpMsg: "Print out info for every goroutine."},
 		{aliases: []string{"goroutine"}, cmdFn: goroutine, helpMsg: "Sets current goroutine."},
 		{aliases: []string{"breakpoints", "bp"}, cmdFn: breakpoints, helpMsg: "Print out info for active breakpoints."},