Merge pull request #15084 from lpea:calib3d_doc_fix
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 19 Jul 2019 10:11:35 +0000 (10:11 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 19 Jul 2019 10:11:35 +0000 (10:11 +0000)

Trivial merge