diff --git a/libraries/eosiolib/contracts/eosio/transaction.hpp b/libraries/eosiolib/contracts/eosio/transaction.hpp
index efb8e03f..cf16ff11 100644
--- a/libraries/eosiolib/contracts/eosio/transaction.hpp
+++ b/libraries/eosiolib/contracts/eosio/transaction.hpp
@@ -69,7 +69,7 @@ namespace eosio {
       /**
        * Construct a new transaction_header
        *
-       * @brief Construct a new transaction_header object initialising the transaction header expiration to now + 60 seconds
+       * @brief Construct a new transaction_header object
        */
       transaction_header( time_point_sec exp = time_point_sec{} )
          :expiration(exp)