diff --git a/omegat/project_save.tmx b/omegat/project_save.tmx
index 1e5f514..ae09ed6 100644
--- a/omegat/project_save.tmx
+++ b/omegat/project_save.tmx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE tmx SYSTEM "tmx11.dtd">
 <tmx version="1.1">
-  <header creationtool="OmegaT" o-tmf="OmegaT TMX" adminlang="EN-US" datatype="plaintext" creationtoolversion="6.0.0_0_1bf1729c" segtype="sentence" srclang="en"/>
+  <header creationtool="OmegaT" o-tmf="OmegaT TMX" adminlang="EN-US" datatype="plaintext" creationtoolversion="6.0.1_0_42ef0143" segtype="sentence" srclang="en"/>
   <body>
 <!-- Default translations -->
     <tu>
@@ -1137,6 +1137,14 @@ de @var{number-or-marker}.</seg>
         <seg>(@xref{let, , @code{let}}.)</seg>
       </tuv>
     </tu>
+    <tu>
+      <tuv lang="en">
+        <seg>(A delicate part of the conversion concerns the customizable format of item date/time headers in the old-style; see the documentation string of @code{todo-legacy-date-time-regexp} for details.)</seg>
+      </tuv>
+      <tuv lang="fr" changeid="Mélanie Fernandes" changedate="20241120T085642Z" creationid="Mélanie Fernandes" creationdate="20241120T085642Z">
+        <seg>@code{todo-legacy-date-time-regexp}</seg>
+      </tuv>
+    </tu>
     <tu>
       <tuv lang="en">
         <seg>(A single buffer may not have both deletion and display flags.)</seg>
