doc: Enhance history documentation

doc/commands/history.8.rst

@@ -37,30 +37,38 @@ and offers several operations on these transactions, like undoing and redoing th
 use the transactions in these commands, it is assumed that they were committed while using the
 ``history_record`` configuration option.
 
+For more information about ``<transaction-spec>`` see
+:manpage:`dnf5-specs(7)`, :ref:`Patterns specification <transaction_spec-label>`.
 
 Subcommands
 ===========
 
 ``list``
     | List info about recorded transactions in the system.
+    | If no ``<transaction-spec>`` is specified it uses all transactions.
 
 ``info``
     | Print details about specific transactions.
+    | If no ``<transaction-spec>`` is specified it uses the last transaction.
 
 ``undo``
     | Revert all actions from the specified transaction.
+    | Exactly one transaction must be specified by ``<transaction-spec>``.
 
 ``redo``
     | Repeat the specified transaction.
     | Automatically uses ``--ignore-extras`` and ``--ignore-installed``.
     | Unlike the rest of history commands it overrides reasons for transaction packages that are already installed.
     | This command is useful to finish interrupted transactons.
+    | Exactly one transaction must be specified by ``<transaction-spec>``.
 
 ``rollback``
     | Undo all transactions performed after the specified transaction.
+    | Exactly one transaction must be specified by ``<transaction-spec>``.
 
 ``store``
     | Store the transaction into a directory.
+    | If no ``<transaction-spec>`` is specified it uses the last transaction.
 
 
 Options for ``list`` and ``info``

doc/misc/specs.7.rst

@@ -194,6 +194,7 @@ Since `NEVRA` matching form is insufficient for modules, they are uniquely ident
 In case stream is not specified, the enabled or the default stream is used, in this order.
 In case profile is not specified, the system default profile or the 'default' profile is used.
 
+.. _transaction_spec-label:
 
 Transactions
 ============