Typo in About section: "correlograms" not "correlorams"

[Beliavsky]

Typo in About section: "correlograms" not "correlorams"

[nicain]

@Beliavsky Wow this is a blast from the past! I hope you found this code useful; I am happy to review a PR, if you want to bounce one one. I would love to chat about how you found the code, and what you are using it for (just curious is all!). LMK if that is something you would like to do.