Update map.md

Author: DeveloperTryingToCodeLikeOtherOfThem

docs/map.md

@@ -3,5 +3,5 @@ A map is similar to an array, but uses an object, or dictionary/map to store ite
 Objects use key-value pairs, allowing values of any time, which provides the flexibility needed for data.
 Additionally, the key must be either a number or string, while the value type can be any type.
 ``` ts
-    const myMap = {[index: string]: number}
+    const myMap = {[index: string]: number};
 ```