Docs: Correct a parameter name for the allow_subdirectory_install filter.

See #32246.
Built from https://develop.svn.wordpress.org/trunk@35971


git-svn-id: http://core.svn.wordpress.org/trunk@35936 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/network.php

@@ -56,7 +56,7 @@ function allow_subdirectory_install() {
          *
          * @since 3.0.0
          *
-         * @param bool true Whether to enable the subdirectory install feature in Multisite. Default is false.
+         * @param bool $allow Whether to enable the subdirectory install feature in Multisite. Default is false.
          */
 	if ( apply_filters( 'allow_subdirectory_install', false ) )
 		return true;