diff --git a/htdocs/langs/en_US/errors.lang b/htdocs/langs/en_US/errors.lang
index 97af73b8fd1..8cbd8a5588b 100644
--- a/htdocs/langs/en_US/errors.lang
+++ b/htdocs/langs/en_US/errors.lang
@@ -281,7 +281,7 @@ ErrorNotInDictionaryPaymentConditions=Not in Payment Terms Dictionary, please mo
 ErrorIsNotADraft=%s is not a draft
 ErrorExecIdFailed=Can't execute command "id"
 ErrorBadCharIntoLoginName=Unauthorized character in the login name
-ErrorRequestTooLarge=Error, request too large
+ErrorRequestTooLarge=Error, request too large or session expired
 ErrorNotApproverForHoliday=You are not the approver for leave %s
 ErrorAttributeIsUsedIntoProduct=This attribute is used in one or more product variants
 ErrorAttributeValueIsUsedIntoProduct=This attribute value is used in one or more product variants