Docs: Add a missing file header for wp-includes/class-http.php.

Also clarifies the class DocBlock summary for `WP_Http` to more clearly describe its purpose.

See #33413. See #33701.


git-svn-id: https://develop.svn.wordpress.org/trunk@33880 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-http.php

@@ -1,6 +1,14 @@
 <?php
 /**
- * WordPress HTTP Class for managing HTTP Transports and making HTTP requests.
+ * HTTP API: WP_Http object class
+ *
+ * @package WordPress
+ * @subpackage HTTP
+ * @since 2.7.0
+ */
+
+/**
+ * Core class used for managing HTTP transports and making HTTP requests.
  *
  * This class is used to consistently make outgoing HTTP requests easy for developers
  * while still being compatible with the many PHP configurations under which
@@ -8,8 +16,6 @@
  *
  * Debugging includes several actions, which pass different variables for debugging the HTTP API.
  *
- * @package WordPress
- * @subpackage HTTP
  * @since 2.7.0
  */
 class WP_Http {