Added inline comment for filter priority

Author: mukeshpanchal27

plugins/auto-sizes/hooks.php

@@ -182,6 +182,11 @@ function auto_sizes_prime_attachment_caches( $content ): string {
 
 	return $content;
 }
+
+/*
+ * The priority 6 is used to ensure the new filter runs right after the "wp-image-$attachment_id" class
+ * is added to the img tag at priority 5, allowing modifications that rely on this class being in place.
+ */
 add_filter( 'the_content', 'auto_sizes_prime_attachment_caches', 6 );
 
 /**