Add small fixes

Author: xuniq

doc/platform/sharding/vshard_admin.rst

@@ -593,7 +593,9 @@ In this case:
   When re-executing this request without additional check, the operation may be applied twice.
 
   A write request can be executed repeatedly without a check in two cases:
+
   - The request is idempotent.
+
   - It's known for sure that the previous request raised an error before executing any write operations.
     For example, ER_READONLY was thrown by the server.
     In this case, we know that the request couldn't complete due to server in read-only mode.

doc/reference/reference_rock/vshard/vshard_router.rst

@@ -138,7 +138,7 @@ Router public API
           ``timeout > request_timeout``.
 
           The ``timeout`` parameter controls how much time a single request attempt may take.
-          When this time is over (the ``TimedOut`` error is raised), router retries the request on the next replica as long
+          When this time is over (the ``TimedOut`` error is raised), the router retries this request on the next replica as long
           as the ``timeout`` value is not elapsed.
 
         * other :ref:`net.box options <net_box-options>`, such as ``is_async``,
@@ -222,7 +222,7 @@ Router public API
           It is necessary to pass the ``request_timeout`` and ``timeout`` parameters together, with the following requirement:
           ``timeout > request_timeout``.
           The ``timeout`` parameter controls how much time a single request attempt may take.
-          When this time is over (the ``TimedOut`` error is raised), router retries the request on the next replica as long
+          When this time is over (the ``TimedOut`` error is raised), the router retries this request on the next replica as long
           as the ``timeout`` value is not elapsed.
 
         * other :ref:`net.box options <net_box-options>`, such as ``is_async``,
@@ -301,7 +301,7 @@ Router public API
           It is necessary to pass the ``request_timeout`` and ``timeout`` parameters together, with the following requirement:
           ``timeout > request_timeout``.
           The ``timeout`` parameter controls how much time a single request attempt may take.
-          When this time is over (the ``TimedOut`` error is raised), router retries the request on the next replica as long
+          When this time is over (the ``TimedOut`` error is raised), the router retries this request on the next replica as long
           as the ``timeout`` value is not elapsed.
 
         * other :ref:`net.box options <net_box-options>`, such as ``is_async``,