diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index b103d0082ba..d7851847f6c 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -2121,4 +2121,5 @@ YouShouldDisablePHPFunctions=You should disable PHP functions
 IfCLINotRequiredYouShouldDisablePHPFunctions=Except if you need to run system commands (for the module Scheduled job, or to run the external command line Anti-virus for example), you shoud disable PHP functions
 NoWritableFilesFoundIntoRootDir=No writable files or directories of the common programs were found into your root directory (Good)
 RecommendedValueIs=Recommended: %s
-ARestrictedPath=A restricted path
\ No newline at end of file
+ARestrictedPath=A restricted path
+SwaggerDescriptionFile=Swagger API description file (for use with redoc for example)
\ No newline at end of file