AutoML User Guide: missing 'test' as arg in h2o.explain_row()

Please see:
http://docs.h2o.ai/h2o/latest-stable/h2o-docs/explain.html

2nd example is missing 'test'

1. Explain first row with all AutoML models
   h2o.explain_row(aml, test, row_index = 1)

1. Explain first row with a single H2O model (e.g. leader model from AutoML)
   h2o.explain_row(aml@leader, row_index = 1)