Fix readme and clap help

src/create.rs

@@ -15,7 +15,7 @@ pub struct Create {
     /// Message size in bytes
     #[clap(short = 's', long)]
     msgsize: Option<usize>,
-    /// Name of the queue
+    /// Name of the new queue
     #[clap(value_name = "QUEUE")]
     queue: String,
 }

src/recv.rs

@@ -23,6 +23,7 @@ pub struct Recv {
     /// Deadline until messages are received (format: "%Y-%m-%d %H:%M:%S")
     #[clap(short, long, conflicts_with = "timeout")]
     pub deadline: Option<String>,
+    /// Name of the queue
     #[clap(value_name = "QUEUE")]
     pub queue: String,
 }