Minor fixes

Author: xuniq

doc/reference/reference_lua/box_info.rst

@@ -32,7 +32,7 @@ variables.
   (same as :ref:`read_only <cfg_basic-read_only>` in ``box.cfg{}``),
   or if status is 'orphan'.
 * **ro_reason** is ``nil`` if the instance is in writable mode.
-  When the field is not ``nil``, it contains a reason why the instance is read-only.
+  When the field is not ``nil``, it contains the reason why the instance is read-only.
   Possible error reasons: ``election``, ``synchro``, ``config``, and ``orphan``
   (see :ref:`box.info.ro_reason <box_info_ro-reason>` for details).
 * **signature** is the sum of all ``lsn`` values from each :ref:`vector clock <replication-vector>`

doc/reference/reference_lua/box_info/ro_reason.rst

@@ -11,11 +11,11 @@ box.info.ro_reason
     Since :doc:`2.10.0 </release/2.10.0>`.
     Show the current mode of an instance (writable or read-only).
     Contains ``nil`` if the instance is in writable mode.
-    When the field is not ``nil``, it reports a reason why the instance is read-only.
+    When the field is not ``nil``, reports the reason why the instance is read-only.
 
     Possible error reasons:
 
-    *   ``election`` -- the instance is not a leader.
+    *   ``election`` -- the instance is not the leader.
         That is, ``box.cfg.election_mode`` is not ``off``.
         See :ref:`box.info.election <box_info_election>` for details.