diff --git a/omegat/project_save.tmx b/omegat/project_save.tmx
index 4bd6f3b..4396bf5 100644
--- a/omegat/project_save.tmx
+++ b/omegat/project_save.tmx
@@ -38868,6 +38868,14 @@ optionnellement.</seg>
         <seg>Si vous n'envoyez pas l'e-mail depuis Emacs, veuillez copier et coller le contenu dans votre programme de messagerie.</seg>
       </tuv>
     </tu>
+    <tu>
+      <tuv lang="en">
+        <seg>If you are notified that simultaneous editing has already taken place, one way to compare the buffer to its file is the @kbd{M-x diff-buffer-with-file} command.</seg>
+      </tuv>
+      <tuv lang="fr" changeid="Lilian" changedate="20220512T134427Z" creationid="Lilian" creationdate="20220512T134427Z">
+        <seg>Si l'on vous prévient qu'une modification simultanée a déjà eue lieu, un moyen de comparer le tampon à son fichier est la commande @kbd{M-x diff-buffer-with-file}.</seg>
+      </tuv>
+    </tu>
     <tu>
       <tuv lang="en">
         <seg>If you are reading this in Emacs, type @kbd{h} to read a basic introduction to the Info documentation system.</seg>