Fix; minor style improvements on https metrics doc

Author: MattDodsonEnglish

src/data/markdown/translated-guides/en/02 Using k6/01 HTTP requests.md

@@ -5,9 +5,9 @@ excerpt: 'Define the HTTP requests and methods you want to use. k6 adds tags to
 
 When testers create new load test, the first step is often to define the HTTP requests to test the system with.
 
-## Making HTTP Requests
+## Make HTTP Requests {#making-http-requests}
 
-A simple GET request looks like this:
+A GET request looks like this:
 
 <CodeGroup labels={["http_get.js"]} lineNumbers={[true]}>
 
@@ -21,7 +21,7 @@ export default function () {
 
 </CodeGroup>
 
-For something slightly more complex, here's a POST request to authenticate on a service or site:
+For something slightly more complex, this POST request authenticates on a service or site:
 
 <CodeGroup labels={["http_post.js"]} lineNumbers={[true]}>
 
@@ -107,7 +107,7 @@ Note how the `tags` object groups data.
 
 </CodeGroup>
 
-## URL Grouping
+## Group URLs under one tag {#url-grouping}
 
 By default, tags have a `name` field that holds the value of the request URL.
 If your test has dynamic URL paths, you might not want this behavior, which could bring a large number of unique URLs into the metrics stream.