doc: changelog: fast_pair: locator tag sample: improve TF-m entry

Improved the changelog entry for the Fast Pair Locator Tag sample
that is related to the partition layout changes for nRF53-based
targets with TF-m.

Signed-off-by: Kamil Piszczek <[email protected]>

Author: kapi-no

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -449,7 +449,7 @@ Bluetooth Fast Pair samples
 
   * Updated:
 
-    * The partition layout for the ``nrf5340dk/nrf5340/cpuapp/ns`` and ``thingy53/nrf5340/cpuapp/ns`` board targets to accommodate the partitions needed due to change in the TF-M profile configuration.
+    * The partition layout for the ``nrf5340dk/nrf5340/cpuapp/ns`` and ``thingy53/nrf5340/cpuapp/ns`` board targets to accommodate the partitions needed due to a change in the TF-M profile configuration.
     * The debug (default) configuration of the main image to enable the Link Time Optimization (LTO) with the :kconfig:option:`CONFIG_LTO` Kconfig option.
       This change ensures consistency with the sample release configuration that has the LTO feature enabled by default.