diff --git a/htdocs/langs/en_US/admin.lang b/htdocs/langs/en_US/admin.lang
index ff5b017a834..e63323e6c33 100644
--- a/htdocs/langs/en_US/admin.lang
+++ b/htdocs/langs/en_US/admin.lang
@@ -517,7 +517,7 @@ Field=Field
 ProductDocumentTemplates=Document templates to generate product document
 FreeLegalTextOnExpenseReports=Free legal text on expense reports
 WatermarkOnDraftExpenseReports=Watermark on draft expense reports
-ProjectIsRequiredOnExpenseReports=Require selecting a project on expense reports
+ProjectIsRequiredOnExpenseReports=The project is mandatory for entering an expense report
 AttachMainDocByDefault=Set this to 1 if you want to attach main document to email by default (if applicable)
 FilesAttachedToEmail=Attach file
 SendEmailsReminders=Send agenda reminders by emails