misc: fixed typos More => more

[BennyAlex]

I just changed the Learn More to Learn more, to match the other metrics.

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[BennyAlex]

@googlebot I signed it!

[adamraine]

LGTM, thanks @BennyAlex. Make sure to run yarn update:sample-json to update the UI strings.

[BennyAlex]

@adamraine I dont run the project locally, could you checkout my branch and update the UI strings for me? You should have access to my repo. Thanks