diff --git a/typo3/sysext/backend/Resources/Private/Language/siteconfiguration_fieldinformation.xlf b/typo3/sysext/backend/Resources/Private/Language/siteconfiguration_fieldinformation.xlf
index 5051ff417db107171e2ae1a16caa48dc55f1fded..3436c675376f5c97908d12c06384f61b01b996f7 100644
--- a/typo3/sysext/backend/Resources/Private/Language/siteconfiguration_fieldinformation.xlf
+++ b/typo3/sysext/backend/Resources/Private/Language/siteconfiguration_fieldinformation.xlf
@@ -13,7 +13,7 @@
 				<source>use / to use keep the main URL as configured at field Entry Point. Add language specific suffixes to use those, or configure complete URLs for independent domains.</source>
 			</trans-unit>
 			<trans-unit id="sys_site_language.locale">
-				<source>should be something like de_DE or en_EN.UTF8</source>
+				<source>should be something like de_DE or en_US.UTF8</source>
 			</trans-unit>
 			<trans-unit id="sys_site_language.typo3Language">
 				<source>Select the language to be used from translation files. Keep default if no translation files are available.</source>
diff --git a/typo3/sysext/core/Documentation/Changelog/master/Feature-84581-SiteHandling.rst b/typo3/sysext/core/Documentation/Changelog/master/Feature-84581-SiteHandling.rst
index 45c7222329cca3a44444e13c622af05d0169338e..1d6a05e2812e0a6124172396d3c21c9e5f9a6e9d 100644
--- a/typo3/sysext/core/Documentation/Changelog/master/Feature-84581-SiteHandling.rst
+++ b/typo3/sysext/core/Documentation/Changelog/master/Feature-84581-SiteHandling.rst
@@ -48,7 +48,7 @@ config.yaml
           # Language base. Accepts either a fully qualified URL or a path segment like "/en/".
           base: /
           # sets the locale during frontend rendering
-          locale: en_EN.UTF8
+          locale: en_US.UTF8
           # ???
           iso-639-1: en
           # FE href language
@@ -154,4 +154,4 @@ template:
 
 Links to pages within a site can now be generated via **any** access of TYPO3, so in both BE and FE as well as CLI mode.
 
-.. index:: Backend, Frontend, TypoScript
\ No newline at end of file
+.. index:: Backend, Frontend, TypoScript