Merge pull request #18012 from sturkmen72:update_doc_and_sample
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Mon, 3 Aug 2020 18:26:12 +0000 (18:26 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Mon, 3 Aug 2020 18:26:12 +0000 (18:26 +0000)

Trivial merge