README update SODA-pure

README.md

@@ -40,7 +40,7 @@ The pathname in the ID is relative to the path in compose.yaml volume-mapping (e
 The FITS extension number `#extnum` is optional. Default is the primary HDU.
 
 Note that the service appends '**soda**' to ACCESS_CONTEXT_ROOT.
-A data access example:
+Then, a data access example:
 ```bash
 curl -s -k --get
     --data-urlencode "ID=ivo://some-auth/some-key?some/path/somefile.fits"
@@ -49,7 +49,9 @@ curl -s -k --get
     http://localhost:18019/ska/datasets/soda
 ```
 
-The URL root `http://localhost:18019/ska/datasets/soda` returns the service descriptor.
+access the file `/srv/ska/surveys/some/path/somefile.fits`.
+
+The root URL `http://localhost:18019/ska/datasets/soda` returns the service descriptor.
 
 ## SODA for VLKB