production-targets : nits improvements into the text

Co-authored-by: Katrina Prosise <[email protected]>

source/reference-manual/ota/production-targets.rst

@@ -36,7 +36,7 @@ Performing a Production OTA
 ---------------------------
 
 A customer should define a process to select CI builds which need to be delivered to production devices.
-Every user performing production OTAs should generate their personal :ref:`offline TUF targets key <ref-offline-keys>` used to sign production targets.
+Every user performing production OTAs should generate their personal :ref:`offline TUF targets key <ref-offline-keys>` to sign production Targets.
 
 Let's assume a user selected a CI build version 42 as ready to be run in production.
 To start the production release process, a user would create a new wave using the below command::