Merge pull request #146 from dvitale199/dvitale199-patch-1

Update README.md

Author: dvitale199

README.md

@@ -25,7 +25,7 @@ To download specific references/models, you can run the download with the follow
 genotools-download --ref 1kg_30x_hgdp_ashk_ref_panel --model nba_v1 --destination /path/to/download_directory/
 ```
 
-Currently, `1kg_30x_hgdp_ashk_ref_panel` is the only available reference panel. Available models are `nba_v1` for the NeuroBooster array and `neurochip_v1` for the NeuroChip Array. If using a different array, we would suggest training a new model by running the standard command below.
+Currently, `1kg_30x_hgdp_ashk_ref_panel` is the only available reference panel. Available models are `nba_v1` for the NeuroBooster array and `neurochip_v1` for the NeuroChip Array and both are in GRCh38. If using a different array, we would suggest training a new model by running the standard command below. Please ensure the reference panel and your genotypes are in the same build. If you're using our reference panel, your genotypes must be in GRCh38.
 
 Modify the paths in the following command to run the standard GP2 pipeline:
 ```