Docs: Fix typo in a comment in get_block_templates().

Follow-up to [55687].

Props dj.cowan, mukesh27.
Fixes #62023.

git-svn-id: https://develop.svn.wordpress.org/trunk@59003 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/block-template-utils.php

@@ -1149,7 +1149,7 @@ function get_block_templates( $query = array(), $template_type = 'wp_template' )
 
 	if ( ! isset( $query['wp_id'] ) ) {
 		/*
-		 * If the query has found some use templates, those have priority
+		 * If the query has found some user templates, those have priority
 		 * over the theme-provided ones, so we skip querying and building them.
 		 */
 		$query['slug__not_in'] = wp_list_pluck( $query_result, 'slug' );