diff --git a/required/latex-lab/latex-lab-mathtools.dtx b/required/latex-lab/latex-lab-mathtools.dtx
index aa27cbf01..79eee7aab 100644
--- a/required/latex-lab/latex-lab-mathtools.dtx
+++ b/required/latex-lab/latex-lab-mathtools.dtx
@@ -23,7 +23,7 @@
 \EnableCrossrefs
 \CodelineIndex
 \begin{document}
-  \DocInput{latex-lab-amsmath.dtx}
+  \DocInput{latex-lab-mathtools.dtx}
 \end{document}
 %</driver>
 %
@@ -66,7 +66,7 @@
 % \subsection{File declaration}
 %    \begin{macrocode}
 \ProvidesFile{latex-lab-mathtools.ltx}
-        [2023-01-05 v0.1a mathtools adaptions]
+        [2024-07-13 v0.1a mathtools adaptions]
 %    \end{macrocode}
 % \subsection{Tagpdf support}
 % To make the code independent from tagging being loaded and active