Merge development into main

Author: jaclyn-taroni

docs/download_files.md

@@ -163,9 +163,11 @@ This file will contain fields equivalent to those found in the `single_cell_meta
 Metadata for all samples on the Portal is available to download separately from gene expression data downloads.
 Each project page has an option to download metadata for all of its samples as a single zip file containing the `metadata.tsv` file and a `README.md` file.
 Project-specific metadata will contain all columns listed in [the above table](#metadata) and any additional project-specific columns, such as treatment or outcome.
+
 <!--
-Additionally, the metadata for all samples on the Portal is available and contains the metadata for all samples available on the Portal.
-The Portal-wide metadata will contain all columns listed in [the above table](#metadata).-->
+Additionally, a single TSV file containing the metadata for all samples from all projects on the Portal is available for download.
+The Portal-wide metadata will contain all columns listed in [the above table](#metadata).
+-->
 
 ## Multiplexed sample libraries