diff --git a/src/wp-admin/includes/media.php b/src/wp-admin/includes/media.php
index e6fc3d558e..93eceeca3a 100644
--- a/src/wp-admin/includes/media.php
+++ b/src/wp-admin/includes/media.php
@@ -170,15 +170,15 @@ function get_image_send_to_editor( $id, $caption, $title, $align, $url = '', $re
  *
  * @since 2.6.0
  *
- * @param string $html
- * @param integer $id
- * @param string $caption image caption
- * @param string $title image title attribute
- * @param string $align image css alignment property
- * @param string $url image src url
- * @param string $size image size (thumbnail, medium, large, full or added with add_image_size() )
- * @param string $alt image alt attribute
- * @return string
+ * @param string  $html    The image HTML markup to send.
+ * @param integer $id      Image attachment ID.
+ * @param string  $caption Image caption.
+ * @param string  $title   Image title attribute (not used).
+ * @param string  $align   Image CSS alignment property.
+ * @param string  $url     Image source URL (not used).
+ * @param string  $size    Image size (`thumbnail`, `medium`, `large`, `full`, or added with `add_image_size()`) (not used).
+ * @param string  $alt     Image `alt` attribute (not used).
+ * @return string The image HTML markup with caption shortcode.
  */
 function image_add_caption( $html, $id, $caption, $title, $align, $url, $size, $alt = '' ) {
 
diff --git a/src/wp-includes/pluggable.php b/src/wp-includes/pluggable.php
index 58dd365146..703598bbb6 100644
--- a/src/wp-includes/pluggable.php
+++ b/src/wp-includes/pluggable.php
@@ -886,13 +886,13 @@ if ( ! function_exists( 'wp_set_auth_cookie' ) ) :
 		 * @since 2.5.0
 		 * @since 4.9.0 The `$token` parameter was added.
 		 *
-		 * @param string $auth_cookie Authentication cookie.
+		 * @param string $auth_cookie Authentication cookie value.
 		 * @param int    $expire      The time the login grace period expires as a UNIX timestamp.
 		 *                            Default is 12 hours past the cookie's expiration time.
 		 * @param int    $expiration  The time when the authentication cookie expires as a UNIX timestamp.
 		 *                            Default is 14 days from now.
 		 * @param int    $user_id     User ID.
-		 * @param string $scheme      Authentication scheme. Values include 'auth', 'secure_auth', or 'logged_in'.
+		 * @param string $scheme      Authentication scheme. Values include 'auth' or 'secure_auth'.
 		 * @param string $token       User's session token to use for this cookie.
 		 */
 		do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme, $token );
@@ -903,7 +903,7 @@ if ( ! function_exists( 'wp_set_auth_cookie' ) ) :
 		 * @since 2.6.0
 		 * @since 4.9.0 The `$token` parameter was added.
 		 *
-		 * @param string $logged_in_cookie The logged-in cookie.
+		 * @param string $logged_in_cookie The logged-in cookie value.
 		 * @param int    $expire           The time the login grace period expires as a UNIX timestamp.
 		 *                                 Default is 12 hours past the cookie's expiration time.
 		 * @param int    $expiration       The time when the logged-in authentication cookie expires as a UNIX timestamp.