minor fixes

Author: xuniq

doc/concepts/configuration/configuration_memtx.rst

@@ -181,7 +181,7 @@ The function returns the total number of bytes in all tuples.
 Additional memory
 ~~~~~~~~~~~~~~~~~
 
-To check the usage of the additional memory (5 Mb), use the ``space_object:stat()`` method.
+To check the usage of the additional memory, use the ``space_object:stat()`` method.
 The following information is provided:
 
 -   ``header_size`` and ``field_map_size``: the size of service information.

doc/reference/configuration/cfg_storage.rst

@@ -2,7 +2,7 @@
 * :ref:`memtx_max_tuple_size <cfg_storage-memtx_max_tuple_size>`
 * :ref:`memtx_min_tuple_size <cfg_storage-memtx_min_tuple_size>`
 * :ref:`memtx_allocator <cfg_storage-memtx_allocator>`
-* :ref:`memtx.sort_threads <cfg_storage-memtx_sort_threads>`
+* :ref:`memtx_sort_threads <cfg_storage-memtx_sort_threads>`
 * :ref:`slab_alloc_factor <cfg_storage-slab_alloc_factor>`
 * :ref:`slab_alloc_granularity <cfg_storage-slab_alloc_granularity>`
 * :ref:`vinyl_bloom_fpr <cfg_storage-vinyl_bloom_fpr>`