Merge pull request #20018 from lpea:doc_fixes_calib3d
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Sat, 1 May 2021 09:35:59 +0000 (09:35 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Sat, 1 May 2021 09:35:59 +0000 (09:35 +0000)

Trivial merge