Apply suggestions from code review

Co-authored-by: Grzegorz Ferenc <41291385+greg-fer@users.noreply.github.com>

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

@@ -652,7 +652,9 @@ Debug libraries
 DFU libraries
 -------------
 
-* fmfu_fdev: Regenerated generated code files using zcbor 0.9.0.
+* :ref:`lib_fmfu_fdev`:
+
+ * Regenerated the code files using zcbor v0.9.0.
 
 Gazell libraries
 ----------------
@@ -889,8 +891,8 @@ Shell libraries
 
 |no_changes_yet_note|
 
-sdfw
-----
+Secure Domain Firmware (SDFW) libraries
+---------------------------------------
 
 * sdfw_services: Regenerated generated code files using zcbor 0.9.0.
 
@@ -999,11 +1001,9 @@ zcbor
  Migration guide at https://github.com/NordicSemiconductor/zcbor/blob/0.9.0/MIGRATION_GUIDE.md
  Highlights:
 
- * Many code generation bugfixes
-
- * You can now decide at run-time whether the decoder should enforce canonical encoding.
-
- * Allow --file-header to accept a path to a file with header contents
+ * You can now decide at runtime whether the decoder should enforce canonical encoding.
+ * Allow ``--file-header`` to accept a path to a file with header contents.
+ * Many code generation bug fixes.
 
 Trusted Firmware-M
 ==================