diff --git a/nextclade/README.md b/nextclade/README.md
index 0fe50bf..fbd5ced 100644
--- a/nextclade/README.md
+++ b/nextclade/README.md
@@ -1,7 +1,7 @@
 # Yellow Fever Virus Nextclade Dataset Tree
 
 This workflow creates a phylogenetic tree that can be used as part of
-a Nextclade dataset to assign genotypes to yellow fever virus samples
+a Nextclade dataset to assign clades to yellow fever virus samples
 based on [Mutebi et al.][] (J Virol. 2001 Aug;75(15):6999-7008) and
 [Bryant et al.][] (PLoS Pathog. 2007 May 18;3(5):e75).
 
@@ -14,6 +14,19 @@ based on [Mutebi et al.][] (J Virol. 2001 Aug;75(15):6999-7008) and
 * Provide the following coloring options on the tree:
   * Genotype assignment from `augur clades`
 
+The clades we annotate (Clade I-VII) are roughly equivalent with the
+following genotypes as described in the aforementioned two papers:
+
+| Clade     | Genotype            |
+|-----------|---------------------|
+| Clade I   | Angola              |
+| Clade II  | East Africa         |
+| Clade III | East Central/Africa |
+| Clade IV  | West Africa I       |
+| Clade V   | West Africa II      |
+| Clade VI  | South America I     |
+| Clade VII | South America II    |
+
 ## How to create a new tree
 
 * Run the workflow: `nextstrain build .`
diff --git a/nextclade/defaults/clades.tsv b/nextclade/defaults/clades.tsv
index 72af86e..39117a7 100644
--- a/nextclade/defaults/clades.tsv
+++ b/nextclade/defaults/clades.tsv
@@ -1,40 +1,40 @@
 clade	gene	site	alt
-Angola	nuc	111	G
-Angola	nuc	219	T
-Angola	nuc	240	C
-Angola	nuc	246	A
-Angola	nuc	252	A
-Angola	nuc	255	A
-Angola	nuc	291	G
-Angola	nuc	294	A
-Angola	nuc	300	A
-Angola	nuc	315	G
-Angola	nuc	327	G
-Angola	nuc	372	A
-Angola	nuc	420	A
-Angola	nuc	432	A
-Angola	nuc	453	T
-Angola	nuc	492	G
-Angola	nuc	651	T
-Angola	nuc	72	A
-Angola	nuc	81	G
-Angola	nuc	88	C
-Angola	nuc	90	A
-Angola	nuc	99	T
-East Africa	nuc	171	G
-East Africa	nuc	438	G
-East Africa	nuc	45	A
-East Africa	nuc	468	T
-East/Central Africa	nuc	228	G
-South America I	nuc	219	A
-South America I	nuc	532	A
-South America II	nuc	114	C
-South America II	nuc	193	T
-South America II	nuc	249	A
-South America II	nuc	639	G
-West Africa I	nuc	183	G
-West Africa I	nuc	255	C
-West Africa II	nuc	270	A
-West Africa II	nuc	321	T
-West Africa II	nuc	477 	A
-West Africa II	nuc	93	T
+Clade I	nuc	111	G
+Clade I	nuc	219	T
+Clade I	nuc	240	C
+Clade I	nuc	246	A
+Clade I	nuc	252	A
+Clade I	nuc	255	A
+Clade I	nuc	291	G
+Clade I	nuc	294	A
+Clade I	nuc	300	A
+Clade I	nuc	315	G
+Clade I	nuc	327	G
+Clade I	nuc	372	A
+Clade I	nuc	420	A
+Clade I	nuc	432	A
+Clade I	nuc	453	T
+Clade I	nuc	492	G
+Clade I	nuc	651	T
+Clade I	nuc	72	A
+Clade I	nuc	81	G
+Clade I	nuc	88	C
+Clade I	nuc	90	A
+Clade I	nuc	99	T
+Clade II	nuc	171	G
+Clade II	nuc	438	G
+Clade II	nuc	45	A
+Clade II	nuc	468	T
+Clade III	nuc	228	G
+Clade VI	nuc	219	A
+Clade VI	nuc	532	A
+Clade VII	nuc	114	C
+Clade VII	nuc	193	T
+Clade VII	nuc	249	A
+Clade VII	nuc	639	G
+Clade IV	nuc	183	G
+Clade IV	nuc	255	C
+Clade V	nuc	270	A
+Clade V	nuc	321	T
+Clade V	nuc	477 	A
+Clade V	nuc	93	T
diff --git a/nextclade/defaults/colors.tsv b/nextclade/defaults/colors.tsv
index 75226a7..6b8036c 100644
--- a/nextclade/defaults/colors.tsv
+++ b/nextclade/defaults/colors.tsv
@@ -1,8 +1,8 @@
 # genotypes assigned by augur clades
-clade_membership	Angola	#3F63CF
-clade_membership	East Africa	#529AB6
-clade_membership	East/Central Africa	#75B681
-clade_membership	South America I	#A6BE55
-clade_membership	South America II	#D4B13F
-clade_membership	West Africa I	#E68133
-clade_membership	West Africa II	#DC2F24
+clade_membership	Clade I	#3F63CF
+clade_membership	Clade II	#529AB6
+clade_membership	Clade III	#75B681
+clade_membership	Clade IV	#A6BE55
+clade_membership	Clade V	#DC2F24
+clade_membership	Clade VI	#E68133
+clade_membership	Clade VII	#D4B13F