Updated crash-reporter-plugin.md (#371)
Updated crash-reporter-plugin.md (#371)

Summary:
Fixed a spelling error in line 6.
Pull Request resolved: https://github.com/facebook/flipper/pull/371

Reviewed By: passy

Differential Revision: D14064606

Pulled By: priteshrnandgaonkar

fbshipit-source-id: 51535362477712500c3138d1e7a688cdda8e3793

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper