Fix references from settings to partials in phpdoc

Author: westonruter

php/class-wp-customize-selective-refresh.php

@@ -369,11 +369,11 @@ public function add_dynamic_partials( $partial_ids ) {
  *
  * For a dynamic partial to be registered, this filter must be employed
  * to override the default false value with an array of args to pass to
- * the WP_Customize_Setting constructor.
+ * the WP_Customize_Partial constructor.
  *
  * @since 4.5.0
  *
- * @param false|array $partial_args The arguments to the WP_Customize_Setting constructor.
+ * @param false|array $partial_args The arguments to the WP_Customize_Partial constructor.
  * @param string $partial_id ID for dynamic partial, usually coming from `$_POST['customized']`.
  */
 $partial_args = apply_filters( 'customize_dynamic_partial_args', $partial_args, $partial_id );
@@ -382,13 +382,13 @@ public function add_dynamic_partials( $partial_ids ) {
 }
 
 /**
- * Allow non-statically created partials to be constructed with custom WP_Customize_Setting subclass.
+ * Allow non-statically created partials to be constructed with custom WP_Customize_Partial subclass.
  *
  * @since 4.5.0
  *
- * @param string $partial_class WP_Customize_Setting or a subclass.
- * @param string $partial_id ID for dynamic partial, usually coming from `$_POST['customized']`.
- * @param array $partial_args WP_Customize_Setting or a subclass.
+ * @param string $partial_class WP_Customize_Partial or a subclass.
+ * @param string $partial_id ID for dynamic partial.
+ * @param array $partial_args The arguments to the WP_Customize_Partial constructor.
  */
 $partial_class = apply_filters( 'customize_dynamic_partial_class', $partial_class, $partial_id, $partial_args );
 
@@ -459,7 +459,7 @@ public function handle_error( $errno, $errstr, $errfile = null, $errline = null
 }
 
 /**
- * Handle Ajax request to return the settings partial value.
+ * Handle Ajax request to return the rendered partials for the requested placements.
  *
  * @since 4.5.0
  * @access public