Restore comment to _wp_footer_scripts()

Author: westonruter

src/wp-includes/script-loader.php

@@ -2264,6 +2264,11 @@ function wp_print_head_scripts() {
 /**
  * Private, for use in *_footer_scripts hooks
  *
+ * In classic themes, when block styles are loaded on demand via {@see wp_load_classic_theme_block_styles_on_demand()},
+ * this function is replaced by a closure in {@see wp_hoist_late_printed_styles()} which will capture the output of
+ * {@see print_late_styles()} before printing footer scripts as usual. The captured late-printed styles are then hoisted
+ * to the HEAD by means of the template enhancement output buffer.
+ *
  * @since 3.3.0
  */
 function _wp_footer_scripts() {