Docs: Improve the DocBlock summary for `add_theme_support()`.

See #32246.

Built from https://develop.svn.wordpress.org/trunk@37673


git-svn-id: http://core.svn.wordpress.org/trunk@37639 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/theme.php

@@ -1514,7 +1514,7 @@ function get_editor_stylesheets() {
 }
 
 /**
- * Allows a theme to register its support of a certain feature
+ * Registers theme support for a given feature.
  *
  * Must be called in the theme's functions.php file to work.
  * If attached to a hook, it must be {@see 'after_setup_theme'}.

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-alpha-37672';
+$wp_version = '4.6-alpha-37673';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.