diff --git a/lineage_notes.txt b/lineage_notes.txt
index 8ce1eab1..38156224 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -3086,7 +3086,7 @@ FL.35.1	Alias of XBB.1.9.1.35.1, S:478R, South Africa
 FL.36	Alias of XBB.1.9.1.36, S:76I, S:190S, S:356T, S:572I, S:899S, S:1070T, England/US/Denmark, sars-cov-2-variants/lineage-proposals#805
 FL.37	Alias of XBB.1.9.1.37, C547T, C29614T
 FL.38	Alias of XBB.1.9.1.38, S:K478R, S:Q613H, C25482T, Russia
-FL.39	Alias of XBB.1.9.1.39, ORF1a:E663K, Russia
+FL.39	Alias of XBB.1.9.1.39, ORF1a:E633K, Russia
 FL.39.1	Alias of XBB.1.9.1.39.1, S:K478R, S:P521S, Russia
 FL.40	Alias of XBB.1.9.1.40, ORF1a:I3758V, Russia
 XBB.1.9.2	S:F486P (after 27507C, 16878T), Indonesia/Singapore, from #1602