diff --git a/docs/how-to/ancestry.rst b/docs/how-to/ancestry.rst
index eee628ad..7c435f7f 100644
--- a/docs/how-to/ancestry.rst
+++ b/docs/how-to/ancestry.rst
@@ -12,10 +12,11 @@ The fastest method of getting started is to download a `reference panel`_:
 
     $ wget https://ftp.ebi.ac.uk/pub/databases/spot/pgs/resources/pgsc_1000G_v1.tar.zst
 
-This example reference panel is based on 1000 Genomes. 
+This example reference panel is based on 1000 Genomes (`Nature 2015`_).
 
-We also provide a reference panel that includes Human Genome Diversity Project data, 
-which includes more ancestry groups:
+We also provide a reference panel that combines 1000 Genomes with data from the Human Genome
+Diversity Project derived from the gnomAD release (v3.1, `Koenig, Yohannes et al. bioRxiv 2023`_),
+which includes additional samples and ancestry groups:
 
 .. code-block:: console
 
@@ -23,6 +24,8 @@ which includes more ancestry groups:
 
 .. _`resources section`: https://www.cog-genomics.org/plink/2.0/resources
 .. _`reference panel`: https://ftp.ebi.ac.uk/pub/databases/spot/pgs/resources/
+.. _`Nature 2015`: https://doi.org/10.1038/nature15393
+.. _`Koenig, Yohannes et al. bioRxiv 2023`: https://doi.org/10.1101/2023.01.23.525248
 
 Bootstrap reference data
 ~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/docs/how-to/database.rst b/docs/how-to/database.rst
index d8f34b32..4469a1b8 100644
--- a/docs/how-to/database.rst
+++ b/docs/how-to/database.rst
@@ -8,17 +8,18 @@ A reference database is required to run some parts of the workflow:
 - Automatic genetic ancestry assignment with Principal Component Analysis
 - PGS normalisation methods that account for genetic ancestry
 
-.. note:: It's simplest to download the reference database we have hosted at the
-          PGS Catalog
+.. note:: It's simplest to download a reference database we host at the
+          PGS Catalog FTP
 
 Download reference database
 ---------------------------
 
-A reference database is available to download here:
+PGS Catalog created reference database(s) are available to download here:
 
-``https://ftp.ebi.ac.uk/pub/databases/spot/pgs/resources/pgsc_calc.tar.zst``
+``https://ftp.ebi.ac.uk/pub/databases/spot/pgs/resources/pgsc_1000G_v1.tar.zst``
+``https://ftp.ebi.ac.uk/pub/databases/spot/pgs/resources/pgsc_HGDP+1kGP_v1.tar.zst``
 
-The database is about 7GB and supports both GRCh37 and GRCh38 input target
+The databases are either 7GB or 16GB and support both GRCh37 and GRCh38 input target
 genomes.
 
 Once the reference database is included, remember you must include the ``--run_ancestry``