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Changes between Initial Version and Version 1 of Ticket #13522, comment 3

initial	v1
1	1	Seems like this could be a common-sense enhancement for the featured image metabox -- especially if you take it in the same vein as #11157 where a `description` argument was added to `register_sidebar()`.
2	2
3		That said, this seems quite edge-case, as, unlike sidebars, there's only one featured image metabox. Also, it's currently possible to simply inject your own description by prepending content via the `admin_post_thumbnail_html` filter.
	3	That said, this seems quite edge-case, as, unlike sidebars, there's only one featured image metabox. Also, it's currently possible to simply inject your own description by prepending content via the `admin_post_thumbnail_html` filter added in 2.9.