diff --git a/htdocs/langs/en_US/install.lang b/htdocs/langs/en_US/install.lang
index bf9c08c4ba7..f67dff57184 100644
--- a/htdocs/langs/en_US/install.lang
+++ b/htdocs/langs/en_US/install.lang
@@ -16,6 +16,7 @@ PHPSupportCurl=This PHP supports Curl.
PHPSupportCalendar=This PHP supports calendars extensions.
PHPSupportUTF8=This PHP supports UTF8 functions.
PHPSupportIntl=This PHP supports Intl functions.
+PHPSupportxDebug=This PHP supports extended debug functions.
PHPSupport=This PHP supports %s functions.
PHPMemoryOK=Your PHP max session memory is set to %s. This should be enough.
PHPMemoryTooLow=Your PHP max session memory is set to %s bytes. This is too low. Change your php.ini to set memory_limit parameter to at least %s bytes.
@@ -26,6 +27,7 @@ ErrorPHPDoesNotSupportCurl=Your PHP installation does not support Curl.
ErrorPHPDoesNotSupportCalendar=Your PHP installation does not support php calendar extensions.
ErrorPHPDoesNotSupportUTF8=Your PHP installation does not support UTF8 functions. Dolibarr cannot work correctly. Resolve this before installing Dolibarr.
ErrorPHPDoesNotSupportIntl=Your PHP installation does not support Intl functions.
+ErrorPHPDoesNotSupportxDebug=Your PHP installation does not support extend debug functions.
ErrorPHPDoesNotSupport=Your PHP installation does not support %s functions.
ErrorDirDoesNotExists=Directory %s does not exist.
ErrorGoBackAndCorrectParameters=Go back and check/correct the parameters.
@@ -217,3 +219,5 @@ YouTryInstallDisabledByDirLock=The application tried to self-upgrade, but the in
YouTryInstallDisabledByFileLock=The application tried to self-upgrade, but the install/upgrade pages have been disabled for security (by the existence of a lock file install.lock in the dolibarr documents directory).
ClickHereToGoToApp=Click here to go to your application
ClickOnLinkOrRemoveManualy=Click on the following link. If you always see this same page, you must remove/rename the file install.lock in the documents directory.
+Loaded=Loaded
+FunctionTest=Function test