diff --git a/src/wp-includes/link-template.php b/src/wp-includes/link-template.php
index 0cbf6ac799..e913f3bf58 100644
--- a/src/wp-includes/link-template.php
+++ b/src/wp-includes/link-template.php
@@ -1208,7 +1208,8 @@ function get_search_comments_feed_link( $search_query = '', $feed = '' ) {
  * @global WP_Rewrite $wp_rewrite WordPress rewrite component.
  *
  * @param string $post_type Post type.
- * @return string|false The post type archive permalink.
+ * @return string|false The post type archive permalink. False if the post type
+ *                      does not exist or does not have an archive.
  */
 function get_post_type_archive_link( $post_type ) {
 	global $wp_rewrite;
@@ -1263,10 +1264,11 @@ function get_post_type_archive_link( $post_type ) {
  *
  * @since 3.1.0
  *
- * @param string $post_type Post type
+ * @param string $post_type Post type.
  * @param string $feed      Optional. Feed type. Possible values include 'rss2', 'atom'.
  *                          Default is the value of get_default_feed().
- * @return string|false The post type feed permalink.
+ * @return string|false The post type feed permalink. False if the post type
+ *                      does not exist or does not have an archive.
  */
 function get_post_type_archive_feed_link( $post_type, $feed = '' ) {
 	$default_feed = get_default_feed();
@@ -1353,8 +1355,8 @@ function get_preview_post_link( $post = null, $query_args = array(), $preview_li
  *
  * @param int|WP_Post $id      Optional. Post ID or post object. Default is the global `$post`.
  * @param string      $context Optional. How to output the '&' character. Default '&'.
- * @return string|null The edit post link for the given post. null if the post type is invalid or does
- *                     not allow an editing UI.
+ * @return string|null The edit post link for the given post. Null if the post type does not exist
+ *                     or does not allow an editing UI.
  */
 function get_edit_post_link( $id = 0, $context = 'display' ) {
 	$post = get_post( $id );