diff --git a/course/frontmatter.html b/course/frontmatter.html
index 09cb3ec..417a736 100755
--- a/course/frontmatter.html
+++ b/course/frontmatter.html
@@ -170,7 +170,7 @@ eBookConfig.enable_chatcodes =  false;
 <div class="author-name">Andy Eisenberg</div>
 <div class="author-info">Mathematics<br>Temple University</div>
 </div>
-<div class="date">Last Updated: January 9, 2026</div>
+<div class="date">January 12, 2026</div>
 <nav class="summary-links"><ul></ul></nav><div class="autopermalink" data-description="Front Matter"><a href="#frontmatter" title="Copy heading and permalink for Front Matter" aria-label="Copy heading and permalink for Front Matter">🔗</a></div></section></div>
 <div id="ptx-content-footer" class="ptx-content-footer">
 <a class="previous-button button" href="root-1-2.html" title="Previous"><span class="icon material-symbols-outlined" aria-hidden="true">&#xe5cb;</span><span class="name">Prev</span></a><a class="top-button button" href="#" title="Top"><span class="icon material-symbols-outlined" aria-hidden="true">&#xe5ce;</span><span class="name">Top</span></a><span class="next-button button disabled"><span class="name">Next</span><span class="icon material-symbols-outlined" aria-hidden="true">&#xe5cc;</span></span>
diff --git a/course/index.html b/course/index.html
index 3a511d8..d284bad 100755
--- a/course/index.html
+++ b/course/index.html
@@ -2,7 +2,7 @@
 <html>
 <!--********************************************-->
 <!--*       Generated from PreTeXt source      *-->
-<!--*       on 2026-01-09T11:57:32-05:00       *-->
+<!--*       on 2026-01-09T12:02:12-05:00       *-->
 <!--*   A recent stable commit (2022-07-01):   *-->
 <!--* 6c761d3dba23af92cba35001c852aac04ae99a5f *-->
 <!--*                                          *-->