Update and housekeeping

snippets/DataTable.md

@@ -1,12 +1,12 @@
 ---
-title:  DataTable
+title: DataTable
 tags: array,beginner
 ---
 
 Renders a table with rows dynamically created from an array of primitives.
 
-* Render a `<table>` element with two columns (`ID` and `Value`).
-* Use `Array.prototype.map` to render every item in `data` as a `<tr>` element, consisting of its index and value, give it a `key` produced from the concatenation of the two.
+- Render a `<table>` element with two columns (`ID` and `Value`).
+- Use `Array.prototype.map` to render every item in `data` as a `<tr>` element, consisting of its index and value, give it a `key` produced from the concatenation of the two.
 
 ```jsx
 function DataTable({ data }) {