[BUGFIX] Fix typo in rst file

Related: #81171
Resolves: #81258
Releases: master
Change-Id: I2a07571bb45aefd5927498dee5604edb99ba271b
Reviewed-on: https://review.typo3.org/52855


Reviewed-by: Oliver Klee <typo3-coding@oliverklee.de>
Reviewed-by: Andreas Fernandez <typo3@scripting-base.de>
Tested-by: Andreas Fernandez <typo3@scripting-base.de>
Reviewed-by: Mathias Brodala <mbrodala@pagemachine.de>

typo3/sysext/core/Documentation/Changelog/master/Breaking-81171-EditAbilityOfTypoScriptTemplateInEXTtstemplateRemoved.rst

@@ -10,7 +10,7 @@ Description
 ===========
 
 Editing "Constants" and "Setup" of templates in the backend template module has been
-refactored to use FormEngine field rendering instead of and own baked solution.
+refactored to use FormEngine field rendering instead of an own baked solution.
 
 
 Impact