diff --git a/required/latex-lab/latex-lab-math.dtx b/required/latex-lab/latex-lab-math.dtx
index 0e5885d71..fe9eb4062 100644
--- a/required/latex-lab/latex-lab-math.dtx
+++ b/required/latex-lab/latex-lab-math.dtx
@@ -294,7 +294,7 @@
 %   \end{itemize}
 % \end{function}
 %
- \begin{function}{\MathCollectTrue,\MathCollectFalse}
+% \begin{function}{\MathCollectTrue,\MathCollectFalse}
 %   \begin{syntax}
 %     \cs{MathCollectTrue}\\
 %     \cs{MathCollectFalse}