Improved documentation of example (#960)

* Improved documentation of example

* Update examples/30_extended/create_upload_tutorial.py

Co-authored-by: PGijsbers <[email protected]>

Co-authored-by: Matthias Feurer <[email protected]>
Co-authored-by: PGijsbers <[email protected]>

Author: 3 people

examples/30_extended/create_upload_tutorial.py

@@ -100,8 +100,8 @@
     # The attribute that represents the row-id column, if present in the
     # dataset.
     row_id_attribute=None,
-    # Attributes that should be excluded in modelling, such as identifiers and
-    # indexes.
+    # Attribute or list of attributes that should be excluded in modelling, such as 
+    # identifiers and indexes. E.g. "feat1" or ["feat1","feat2"]
     ignore_attribute=None,
     # How to cite the paper.
     citation=citation,