diff --git a/USER-GUIDE.md b/USER-GUIDE.md
index 9b5bc5b5..159cda8d 100644
--- a/USER-GUIDE.md
+++ b/USER-GUIDE.md
@@ -89,7 +89,7 @@ python /dls/science/groups/i04-1/conor_dev/xchem-align/scripts/collate.py -c <yo
 The next step is performing local alignments of your ligand bound models and their associated crystallographic maps.
 
 ```commandline
-python /dls/science/groups/i04-1/conor_dev/xchem-align/scripts/align.py -d <your upload directory> -x <your xtalforms file> -a <your assemblies file>
+python /dls/science/groups/i04-1/conor_dev/xchem-align/scripts/align.py -d <your upload directory> -x <your crystalforms.yaml file>
 ```
 
 ## 5. Upload to Fragalysis