Docs: @param fixes for a variety of docblocks.

See #32246


git-svn-id: https://develop.svn.wordpress.org/trunk@36232 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/meta-boxes.php

@@ -1173,6 +1173,8 @@ function link_advanced_meta_box($link) {
  * Display post thumbnail meta box.
  *
  * @since 2.9.0
+ *
+ * @param WP_Post $post A post object.
  */
 function post_thumbnail_meta_box( $post ) {
 	$thumbnail_id = get_post_meta( $post->ID, '_thumbnail_id', true );
@@ -1184,7 +1186,7 @@ function post_thumbnail_meta_box( $post ) {
  *
  * @since 3.9.0
  *
- * @param WP_Post $post
+ * @param WP_Post $post A post object.
  */
 function attachment_id3_data_meta_box( $post ) {
 	$meta = array();