Apply suggestions from code review

Co-authored-by: Bec Asch <[email protected]>

scripts/variantstore/variant_annotations_table/README.md

@@ -50,12 +50,12 @@ Once those inputs have been created, they can be used by the GvsCreateVATfromVDS
 ### Using the Nirvana reference image in Terra (AoU Echo and later callsets)
 
 The Variants team created a Cromwell reference image containing all reference files used by Nirvana 3.18.1. This is
-useful to avoid having to download tens of GiBs of Nirvana references in each shard of the scattered `AnnotateVCF`.
+useful to avoid having to download tens of GiBs of Nirvana references in each shard of the scattered `AnnotateVCF` task.
 In order to use this reference disk, the 'Use reference disk' option in Terra must be selected as shown below:
 
 ![Terra Use reference disks](Reference%20Disk%20Terra%20Opt%20In.png)
 
-Note: this Nirvana reference image was not available in time for it to be used to create the Delta VAT. The
+**Note:** this Nirvana reference image was not available in time for it to be used to create the Delta VAT. The
 `GvsCreateVATfromVDS` WDL has been speculatively updated to take advantage of references loaded from an attached
 reference image but has not actually been run to create a VAT.