Atualizar o about.html

public/about.html

@@ -347,7 +347,7 @@ <h2><a id="math">Math</a></h2>
 chance(p: number): boolean
 
 // Choose a random item from a Array
-choose(arr: Array<T>): T
+choose(arr: Array&lt;T&gt;): T
 
 // Calculates a linear (interpolation) value over `t`.
 // example: lerp(0, 50, 0.5) returns 25