diff --git a/src/wp-includes/link-template.php b/src/wp-includes/link-template.php
index 31ffcf0a3c..b8a2c30768 100644
--- a/src/wp-includes/link-template.php
+++ b/src/wp-includes/link-template.php
@@ -1739,7 +1739,7 @@ function get_edit_user_link( $user_id = null ) {
  * @param bool         $in_same_term   Optional. Whether post should be in a same taxonomy term. Default false.
  * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
  * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
- * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no
+ * @return WP_Post|null|string Post object if successful. Null if global $post is not set. Empty string if no
  *                             corresponding post exists.
  */
 function get_previous_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
@@ -1754,7 +1754,7 @@ function get_previous_post( $in_same_term = false, $excluded_terms = '', $taxono
  * @param bool         $in_same_term   Optional. Whether post should be in a same taxonomy term. Default false.
  * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty.
  * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
- * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no
+ * @return WP_Post|null|string Post object if successful. Null if global $post is not set. Empty string if no
  *                             corresponding post exists.
  */
 function get_next_post( $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
@@ -1774,7 +1774,7 @@ function get_next_post( $in_same_term = false, $excluded_terms = '', $taxonomy =
  * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded term IDs. Default empty string.
  * @param bool         $previous       Optional. Whether to retrieve previous post. Default true
  * @param string       $taxonomy       Optional. Taxonomy, if $in_same_term is true. Default 'category'.
- * @return null|string|WP_Post Post object if successful. Null if global $post is not set. Empty string if no
+ * @return WP_Post|null|string Post object if successful. Null if global $post is not set. Empty string if no
  *                             corresponding post exists.
  */
 function get_adjacent_post( $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) {