Update Leap

exercises/leap/instructions.md

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+# Instructions
+
+Your task is to determine whether a given year is a leap year.

exercises/leap/introduction.md

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+# Introduction
+
+A leap year (in the Gregorian calendar) occurs:
+
+- In every year that is evenly divisible by 4
+- Unless the year is evenly divisible by 100, in which case it's only a leap year if the year is also evenly divisible by 400.
+
+Some examples:
+
+- 1997 was not a leap year as it's not divisible by 4.
+- 1900 was not a leap year as it's not divisible by 400
+- 2000 was a leap year!
+
+~~~~exercism/note
+For a delightful, four minute explanation of the whole phenomenon of leap years, check out [this youtube video](https://www.youtube.com/watch?v=xX96xng7sAE).
+~~~~

exercises/leap/metadata.toml

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 title = "Leap"
-blurb = "Given a year, report if it is a leap year."
+blurb = "Determine whether a given year is a leap year."
 source = "CodeRanch Cattle Drive, Assignment 3"
 source_url = "https://coderanch.com/t/718816/Leap"
 deep_dive_youtube_id = "v6fMaOdUxSk"