Docs: Various inline documentation corrections and improvements.

See #53399


git-svn-id: https://develop.svn.wordpress.org/trunk@52332 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/class-wp-meta-query.php

@@ -401,7 +401,7 @@ class WP_Meta_Query {
 	 *
 	 * @since 4.1.0
 	 *
-	 * @return array {
+	 * @return string[] {
 	 *     Array containing JOIN and WHERE SQL clauses to append to the main query.
 	 *
 	 *     @type string $join  SQL fragment to append to the main JOIN clause.
@@ -434,7 +434,7 @@ class WP_Meta_Query {
 	 * @param array $query Query to parse (passed by reference).
 	 * @param int   $depth Optional. Number of tree levels deep we currently are.
 	 *                     Used to calculate indentation. Default 0.
-	 * @return array {
+	 * @return string[] {
 	 *     Array containing JOIN and WHERE SQL clauses to append to a single query array.
 	 *
 	 *     @type string $join  SQL fragment to append to the main JOIN clause.
@@ -520,7 +520,7 @@ class WP_Meta_Query {
 	 * @param array  $parent_query Parent query array.
 	 * @param string $clause_key   Optional. The array key used to name the clause in the original `$meta_query`
 	 *                             parameters. If not provided, a key will be generated automatically.
-	 * @return array {
+	 * @return string[] {
 	 *     Array containing JOIN and WHERE SQL clauses to append to a first-order query.
 	 *
 	 *     @type string $join  SQL fragment to append to the main JOIN clause.