Remove deno badge, fix capitalization

Author: corbindavenport

README.md

@@ -1,7 +1,6 @@
 # SerpApi for JavaScript/TypeScript
 
 [![npm version](https://img.shields.io/npm/v/serpapi)](https://www.npmjs.com/package/serpapi)
-[![Deno version](https://deno.land/badge/serpapi/version)](https://deno.land/x/serpapi)
 [![Build status](https://github.com/serpapi/serpapi-javascript/workflows/Build/badge.svg?branch=master)](https://github.com/serpapi/serpapi-javascript/actions/workflows/build.yml)
 [![License](https://img.shields.io/github/license/serpapi/serpapi-javascript)](https://github.com/serpapi/serpapi-javascript/blob/master/LICENSE)
 [![SerpApi Libraries](https://img.shields.io/badge/SerpApi-Libraries-blue)](https://serpapi.com/integrations)
@@ -135,7 +134,7 @@ await getJson({ engine: "google", q: "coffee" }); // uses the API key defined in
 await getJson({ engine: "google", api_key: API_KEY_2, q: "coffee" }); // API_KEY_2 will be used
 ```
 
-### Using a Proxy
+### Using a proxy
 
 > **Note:** SerpApi handles proxies on its end — you do **not** need to supply
 > your own proxy to avoid blocks or CAPTCHAs. This option is only for users who
@@ -187,7 +186,7 @@ for a manual approach:
 
 <!-- Generated by documentation.js. Update this documentation by updating the source code. -->
 
-#### Table of Contents
+#### Table of contents
 
 - [getJson](#getjson)
   - [Parameters](#parameters)