Update src/lib.rs

Co-authored-by: Steve Myers <github@notmandatory.org>

Author: logosstone

src/lib.rs

@@ -722,7 +722,7 @@ pub enum OfflineWalletSubCommand {
         #[structopt(name = "INT_POLICY", long = "internal_policy")]
         internal_policy: Option<String>,
         /// Allows 80-bytes of arbitrary data to a transaction output via OP_RETURN
-        #[structopt(name = "ADD_DATA", short = "add", long = "add_data")]
+        #[structopt(name = "ADD_DATA", long = "add_data")]
         add_data: String,
     },
     /// Bumps the fees of an RBF transaction