Typo on introduction.md

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... is spent on digital transformation initiatives[].

This may be a typo of a link.

operational-review-docs/docs/introduction.md

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Operational maturity doesn’t happen overnight—it takes continued commitment, focus, learning, and practice. According to IDC, on average, 3.7% of an enterprise organization’s revenue is spent on digital transformation initiatives[]. The goals of transformation initiatives typically include outcomes like [achieving greater profitability and market share](https://services.google.com/fh/files/misc/state-of-devops-2019.pdf) by becoming a faster, more nimble, and more secure organization that can better serve the needs of demanding customers in today’s competitive marketplace. To achieve that, organizational transformation initiatives typically require very large investments, long-term strategy, and executive support.