change comment to get CI to run

stacks-signer/src/config.rs

@@ -148,7 +148,7 @@ struct RawConfigFile {
     pub stackerdb_contract_id: String,
     /// pox contract identifier
     pub pox_contract_id: Option<String>,
-    /// the 32 byte ECDSA private key used to sign blocks, chunks, and transactions
+    /// the 32 byte ECDSA private key used to sign blocks, chunks, transactions, and WSTS messages
     pub message_private_key: String,
     /// The hex representation of the signer's Stacks private key used for communicating
     /// with the Stacks Node, including writing to the Stacker DB instance.