chore(docs): fix typo in convincing others doc (#13033)
chore(docs): fix typo in convincing others doc (#13033)

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## Description

Fixes a misspelled word. 
ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby,gatsbyjs/gatsby,gatsbyjs/gatsby,ChristopherBiscardi/gatsby