diff --git a/index.md b/index.md
index 6587951c..02863274 100644
--- a/index.md
+++ b/index.md
@@ -7,7 +7,7 @@ nav: index
 {{ page.title }}
 =========================
 
-National Center for Biotechnology Information (US): Bethesda (MD); 2004-2019.
+National Center for Biotechnology Information (US): Bethesda (MD); 2004-2022.
 
 Contents
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