[BUGFIX] Fix minor typos in ReST of #83637

Resolves: #83644
Related: #83637
Releases: master
Change-Id: Ifdee387950181b869c9dfa1df2644bd5b51e6ce0
Reviewed-on: https://review.typo3.org/55429


Reviewed-by: Andreas Fernandez <a.fernandez@scripting-base.de>
Tested-by: Andreas Fernandez <a.fernandez@scripting-base.de>

typo3/sysext/core/Documentation/Changelog/master/Feature-83637-AddedNewMainModuleSiteManagement.rst

@@ -11,7 +11,7 @@ Description
 
 A new main module for the TYPO3 Backend "Site" (module key "site") has been added to the TYPO3 Core.
 
-It's main purpose is to host submodules related to Integrators and Site maintainers to configure a website,
+Its main purpose is to host submodules related to integrators and site maintainers to configure a website,
 language configuration, domains and routing.
 
 For TYPO3 9.1, the system extension "redirects" adds URL redirects to the main module, if installed.
@@ -38,4 +38,4 @@ To add a new module to the Site main module, register a module within an extensi
         ]
     );
 
-.. index:: Backend, NotScanned
\ No newline at end of file
+.. index:: Backend, NotScanned