fix some grammatical errors
authorRyan Fox <ryan@foxrow.com>
Wed, 11 Oct 2017 02:37:26 +0000 (21:37 -0500)
committerGitHub <noreply@github.com>
Wed, 11 Oct 2017 02:37:26 +0000 (21:37 -0500)
commita96c5b5d9049672f8e9504e1d2ec339520416d74
treec77e4bf89d04bd5da5da7c6bf5d801b813330a97
parentaf8ed9d09fef2a8b92520641df2c1439fb85b5d0
fix some grammatical errors
doc/py_tutorials/py_calib3d/py_depthmap/py_depthmap.markdown