Typo in grid documentation

[sshevlyagin]

Expected Behavior 🤔

The documentation should say:
Adding a padding on the parent with, at least, half the spacing value:

Current Behavior 😯

The documentation says:
Adding a padding on the parent with, at least, the spacing value:

Steps to Reproduce 🕹

1. Navigate to grid doc

[oliviertassinari]

@sshevlyagin You are 💯 correct, thank you for the precision. Do you want to submit a pull request to update that? You can find the source here: https://github.com/mui-org/material-ui/blob/master/docs/src/pages/layout/grid/grid.md#negative-margin.

[joshwooding]

Building on this maybe it should read either:
Adding padding to the parent with, at least, half the spacing value:
Adding a padding property to the parent with, at least, half the spacing value:
Adding the padding style property to the parent with, at least, half the spacing value:

[oliviertassinari]

cc @mbrookes 💡

[mbrookes]

How about:

“Applying padding to the parent with at least half the the spacing value applied to the child:”

Also:

“Applying overflow-x: hidden; to the parent.”

[sshevlyagin]

Sounds good @mbrookes, PR created