Update when.md

snippets/when.md

@@ -1,7 +1,8 @@
 ### when
 
-Tests a value, `x`, against a predicate function. If `true`, return `fn(x)`. Else, return `x`.
-`when(pred, whenTrue)` returns a function expecting `x` for better composability.
+Tests a value, `x`, against a predicate function. If `true`, return `fn(x)`. Else, return `x`. 
+
+Return a function expecting a single value, `x`, that returns the appropriate value based on `pred`.
 
 ```js
 const when = (pred, whenTrue) => (x) => pred(x) ? whenTrue(x) : x;
@@ -12,7 +13,6 @@ const doubleEvenNumbers = when(
   (x) => x % 2 === 0,
   (x) => x * 2
 );
-
-doubleEvenNumbers(2) // 4
-doubleEvenNumbers(1) // 1
+doubleEvenNumbers(2); // 4
+doubleEvenNumbers(1); // 1
 ```