Fixes syntax

Author: AArdeev

doc/reference/reference_lua/box_info/config.rst

@@ -13,7 +13,7 @@ box.info.config
     The instance's state in regard to configuration.
     Note that ``box.info.config`` returns the instance's state obtained using :ref:`config:info('v2') <config_api_reference_info>`.
 
-    Since version :doc:`3.3.0 </release/3.3.0>`
+    Since version :doc:`3.3.0 </release/3.3.0>`.
     Returns the ``hierarchy`` table, showing names of the group, replicaset, and the instance itself.
     These names are taken directly from the ``--name`` CLI option (or the ``TT_INSTANCE_NAME`` environment variable) 
     and the cluster configuration. This means they are always present if the YAML configuration flow is in use, 

doc/reference/reference_lua/box_info/info.rst

@@ -17,7 +17,7 @@ box.info()
     :return: keys and values in the submodule
     :rtype:  table
 
-    Since version :doc:`3.3.0 </release/3.3.0>`
+    Since version :doc:`3.3.0 </release/3.3.0>`.
     Returns the ``hierarchy`` table, showing names of the group, replicaset, and the instance itself.
     These names are taken directly from the ``--name`` CLI option (or the ``TT_INSTANCE_NAME`` environment variable) 
     and the cluster configuration. This means they are always present if the YAML configuration flow is in use, 

doc/reference/reference_lua/config.rst

@@ -161,7 +161,7 @@ config API
 
                 Since version :doc:`3.3.0 </release/3.3.0>`
 
-                 -   ``hierarchy`` -- table, showing names of the group, replicaset, and the instance itself. 
+                 -   ``hierarchy`` -- table, showing names of the group, replicaset, and the instance itself.
                  These names are taken directly from the ``--name`` CLI option (or the ``TT_INSTANCE_NAME`` environment variable) 
                  and the cluster configuration. This means they are always present if the YAML configuration flow is in use, 
                  disregarding the database status (whether upgraded, writable or not).