diff --git a/base/slides.dtx b/base/slides.dtx
index e63c1901d..b27815895 100644
--- a/base/slides.dtx
+++ b/base/slides.dtx
@@ -53,7 +53,7 @@
 %<*driver>
        \ProvidesFile{slides.drv}
 %</driver>
-              [2021/10/04 v2.4b
+              [2022/05/30 v2.4b
 %<+class>               Standard LaTeX document class]
 %<+cmd>               SLiTeX definitions]
 %    \end{macrocode}
@@ -2348,8 +2348,9 @@ COLOR LAYER\\[.75in]%
 %  any output when the |@visible| switch is false.
 %
 % \changes{v2.2j}{1994/03/11}{Corrected \cs{@oval}, like previous
+%    change to the \LaTeX{} format.}
 % \changes{v2.4a}{2016/03/29}{Initialize in \cs{@oval}tests added for
-%    latex/4452} change to the \LaTeX{} format.}
+%    latex/4452}
 %    \begin{macrocode}
 \def\line(#1,#2)#3{\if@visible\@xarg #1\relax \@yarg #2\relax
 \@linelen #3\unitlength