diff --git a/hive-matrix-mcp/src/client.rs b/hive-matrix-mcp/src/client.rs
index 76447820..ca24e1c3 100644
--- a/hive-matrix-mcp/src/client.rs
+++ b/hive-matrix-mcp/src/client.rs
@@ -30,7 +30,7 @@ use serde::Deserialize;
 use tokio::fs;
 
 /// Sentinel returned when `build_and_restore` detects that the token is
-/// permanently invalid (M_UNKNOWN_TOKEN). The token has already been
+/// permanently invalid (`M_UNKNOWN_TOKEN`). The token has already been
 /// removed from disk. Callers should NOT retry — the account needs
 /// re-provisioning by hive-c0re.
 ///