Avoid confusing prototype methods for static methods

Correct: `Array.from()` (it’s a static method)
Incorrect: `Array.join()` (doesn’t exist; it’s a prototype method)

This patch uses the common `#` syntax to denote `.prototype.`.

snippets/over.md

@@ -2,7 +2,7 @@
 
 Creates a function that invokes each provided function with the arguments it receives and returns the results.
 
-Use `Array.map()` and `Function.apply()` to apply each function to the given arguments.
+Use `Array.prototype.map()` and `Function.prototype.apply()` to apply each function to the given arguments.
 
 ```js
 const over = (...fns) => (...args) => fns.map(fn => fn.apply(null, args));