[docs] Update comment about GitHub breaks

[julien-c]

GitHub does not, in fact, appear to break on a single line.

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[UziTech]

these lines are separated
by a single new line (\n)

GitHub does break on a single new line.

If you view the source for the two lines above you will see a <br> between them instead of being two paragraphs.

[UziTech]

Can you provide an example of when GitHub does not break on a single new line character?

[julien-c]

Ah, interesting, this seems to be specific to comments. GitHub does not break on a single \n in (at least):

• markdown files rendered: https://github.com/julien-c/Smellington/blob/master/README.md
• gists: https://gist.github.com/julien-c/0e6b96e77dcac99aa7412dc45ed865fb

[julien-c]

Thanks for the suggestion @UziTech @styfle, I reworded the description. What do you think?