diff --git a/src/encoding/tlv.hpp b/src/encoding/tlv.hpp
index ce35906..594cdce 100644
--- a/src/encoding/tlv.hpp
+++ b/src/encoding/tlv.hpp
@@ -97,7 +97,7 @@
  *
  * @param [in]  begin  Begin (pointer or iterator) of the buffer
  * @param [in]  end    End (pointer or iterator) of the buffer
- * @param [out] number Read type number
+ * @param [out] type   Read type number
  *
  * @throws This call never throws exception
  *