Update snippet formatting

snippets/MappedTable.md

@@ -7,13 +7,13 @@ Renders a table with rows dynamically created from an array of objects and a lis
 
 - Use `Object.keys()`, `Array.prototype.filter()`, `Array.prototype.includes()` and `Array.prototype.reduce()` to produce a `filteredData` array, containing all objects with the keys specified in `propertyNames`.
 - Render a `<table>` element with a set of columns equal to the amount of values in `propertyNames`.
-- Use `Array.prototype.map` to render each value in the `propertyNames` array as a `<th>` element.
-- Use `Array.prototype.map` to render each object in the `filteredData` array as a `<tr>` element, containing a `<td>` for each key in the object.
+- Use `Array.prototype.map()` to render each value in the `propertyNames` array as a `<th>` element.
+- Use `Array.prototype.map()` to render each object in the `filteredData` array as a `<tr>` element, containing a `<td>` for each key in the object.
 
 _This component does not work with nested objects and will break if there are nested objects inside any of the properties specified in `propertyNames`_
 
 ```jsx
-function MappedTable({ data, propertyNames }) {
+const MappedTable = ({ data, propertyNames }) => {
   let filteredData = data.map(v =>
     Object.keys(v)
       .filter(k => propertyNames.includes(k))
@@ -39,7 +39,7 @@ function MappedTable({ data, propertyNames }) {
       </tbody>
     </table>
   );
-}
+};
 ```
 
 ```jsx