This PR corrects misspellings identified by the check-spelling action.
The misspellings have been reported at jsoref@b6ba3e2#commitcomment-48946465
The action reports that the changes in this PR would make it happy: jsoref@602417c
Closes GH-6822.
# I don't feel like discussing this issue anymore - maybe we need to find
# a way of returning proxies to get the requested behavior back - i'll give
# it a try for PHP 5.2. So long we'll have to stay with the original
# decision that we don't support references at all with ArrayAccess.