diff --git a/lineage_notes.txt b/lineage_notes.txt
index adc574d0..981e8065 100644
--- a/lineage_notes.txt
+++ b/lineage_notes.txt
@@ -2743,6 +2743,7 @@ FL.10	Alias of XBB.1.9.1.10, ORF1a:C657Y
 FL.11	Alias of XBB.1.9.1.11, ORF1a:L349F, France/French Guiana, from #1947
 FL.12	Alias of XBB.1.9.1.12, ORF1a:C2210F
 FL.13	Alias of XBB.1.9.1.13, G4354A
+FL.13.1	Alias of XBB.1.9.1.13.1, S:A411S, ORF1a:P80S, China, from #1996
 XBB.1.9.2	S:F486P (after 27507C, 16878T), Indonesia/Singapore
 EG.1	Alias of XBB.1.9.2.1, S:Q613H on N:L219F branch, from #1664 and https://github.com/jmcbroome/auto-pango-designation/pull/193
 EG.1.1	Alias of XBB.1.9.2.1.1, S:V70F and ORF1a:T403I, Luxembourg/Belgium/France
diff --git a/lineages.csv b/lineages.csv
index 8beb2c4f..f41fb496 100644
--- a/lineages.csv
+++ b/lineages.csv
@@ -2407426,125 +2407426,6 @@ Sweden/1260805331VN/2023,FL.13
 USA/NY-CDC-QDX48586991/2023,FL.13
 Ireland/G-NVRL-SIRL00015728/2023,FL.13
 Indonesia/JK-NIHRD-W01032/2023,FL.13
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 Malaysia/TIDREC-NSC2549/2023,FL.13
 Israel/ICH-741196924/2023,FL.13
 Singapore/R14MR49/2023,FL.13
@@ -2408099,3 +2407980,122 @@ Denmark/DCGC-645156/2023,FL.13
 Germany/BW-RKI-I-1129874/2023,FL.13
 Germany/BW-RKI-I-1124406/2023,FL.13
 Germany/BW-RKI-I-1133746/2023,FL.13
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