Add radicand explantion, use PR as source_url

exercism · Oct 7, 2019 · 80cc7a5 · 80cc7a5
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diff --git a/exercises/square-root/description.md b/exercises/square-root/description.md
@@ -2,6 +2,8 @@ Given a natural radicand, return its square root.
 
 Check out the Wikipedia pages on [square root](https://en.wikipedia.org/wiki/Square_root) and [methods of computing square roots](https://en.wikipedia.org/wiki/Methods_of_computing_square_roots).
 
-Recall that natural numbers are positive real whole numbers (i.e. 1, 2, 3 and up).
+Note that the term "radicand" refers to the number for which the root is to be determined. That is, it is the number under the root symbol.
+
+Recall also that natural numbers are positive real whole numbers (i.e. 1, 2, 3 and up).
 
 When implementing this in a language with a built-in square root function, implement your own function.
diff --git a/exercises/square-root/metadata.yml b/exercises/square-root/metadata.yml
@@ -1,4 +1,4 @@
 ---
 blurb: "Given a natural radicand, return its square root."
 source: "wolf99"
-source_url: "https://github.com/wolf99"
+source_url: "https://github.com/exercism/problem-specifications/pull/1582"