Correct solution to exercise

[ErinBecker]

In the exercise "Taking Capitalization into Consideration" the solution says that the word "community" is found in the text 16 times. This isn't correct, as some of these matches are to "communication", "communications", etc. This PR fixes the solution to match the exercise.

[github-actions]

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Rendered Changes

🔍 Inspect the changes: https://github.com/LibraryCarpentry/lc-data-intro/compare/md-outputs..md-outputs-PR-218

The following changes were observed in the rendered markdown documents:

 02-match-extract-strings.md | 2 +-
 md5sum.txt                  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

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⏱️ Updated at 2023-10-18 21:34:56 +0000

[kevintfrench]

Thank you for spotting this @ErinBecker

[ErinBecker]

Thanks for the quick turn around @kevintfrench!