diff --git a/src/clients/query.hpp b/src/clients/query.hpp
index f933eeb..6f8222b 100644
--- a/src/clients/query.hpp
+++ b/src/clients/query.hpp
@@ -34,7 +34,7 @@
  *
  * Query is an Interest whose name follows the format:
  *
- *      <zone> [<KEY>|<NDNS>|<NDNS-R>] <rrLabel> <rrType>
+ *      <zone> [<NDNS>|<NDNS-R>] <rrLabel> <rrType>
  */
 class Query : noncopyable
 {