Update README.md

README.md

@@ -37,11 +37,25 @@ usage: unarchived_data_fix.py [-h] [--no-dryrun] [--inplace] [--overwrite]
 
 positional arguments:
   {alvra,bernina,cristallina,diavolezza,maloja,furka}
-  pgroup
+                        Which instrument has the data been measured at?
+  pgroup                Which pgroup is the data in?
 
 optional arguments:
   -h, --help            show this help message and exit
-  --no-dryrun
-  --inplace
-  --overwrite
+  --no-dryrun           Disable dry run. If dryrun is enabled (default) no
+                        files are written.
+  --inplace             Update scan.json in place. If inplace is disabled
+                        (default) a new file scan_mod.json is created.
+  --overwrite           Overwrite existing files. If overwrite is disabled
+                        (default) existing files will be skipped.
+
+usage examples:
+  Dry run (nothing is changed or overwritten)
+    unarchived_data_fix.py alvra p12345
+
+  Create new files called scan_mod.json
+    unarchived_data_fix.py alvra p12345 --no-dryrun
+
+  Overwrite scan.json
+    unarchived_data_fix.py alvra p12345 --no-dryrun --overwrite --inplace
 ```