diff --git a/homepage/404.html b/homepage/404.html
index 9ea104c..8f8c199 100644
--- a/homepage/404.html
+++ b/homepage/404.html
@@ -14,7 +14,7 @@
 <SCRIPT SRC="/js/sheets.js"  TYPE="application/javascript"></SCRIPT>
 <SCRIPT TYPE="application/javascript">window.onload = window.initializesheets;</SCRIPT>
 <H1>404: Page not found</H1>
-<H3>updated 2020-08-06</H3>
+<H3>updated 2021-08-06</H3>
 <HR ALIGN="left" SIZE="1" WIDTH="25%" />
 <P>
 This site changes frequently.