diff --git a/wp-admin/custom-background.php b/wp-admin/custom-background.php
index 9cd80e3a8f..227341c646 100644
--- a/wp-admin/custom-background.php
+++ b/wp-admin/custom-background.php
@@ -59,34 +59,40 @@ class Custom_Background {
 	}
 
 	/**
-	 * Make private properties readable for backwards compatibility
+	 * Make private properties readable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name Property name.
+	 * @return mixed Property.
 	 */
 	public function __get( $name ) {
 		return $this->$name;
 	}
 
 	/**
-	 * Make private properties setable for backwards compatibility
+	 * Make private properties setable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @param string $value
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name  Property to set.
+	 * @param mixed  $value Property value.
+	 * @return mixed Newly-set property.
 	 */
 	public function __set( $name, $value ) {
 		return $this->$name = $value;
 	}
 
 	/**
-	 * Make private properties checkable for backwards compatibility
+	 * Make private properties checkable for backwards compatibility.
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name Property to check if set.
+	 * @return bool Whether the property is set.
 	 */
 	public function __isset( $name ) {
 		return isset( $this->$name );
@@ -96,8 +102,9 @@ class Custom_Background {
 	 * Make private properties unsetable for backwards compatibility
 	 *
 	 * @since 4.0.0
-	 * @param string $name
-	 * @return mixed
+	 * @access public
+	 *
+	 * @param string $name Property to unset.
 	 */
 	public function __unset( $name ) {
 		unset( $this->$name );