diff --git a/Archive-of-3DS-Documentation.md b/Archive-of-3DS-Documentation.md
index cabb10a..51b0aa9 100644
--- a/Archive-of-3DS-Documentation.md
+++ b/Archive-of-3DS-Documentation.md
@@ -16,3 +16,4 @@ For better or worse, there is no unified way of writing and collecting informati
     * https://www.reddit.com/r/SwitchHacks/comments/759myu/the_eshop_and_cdn_explained_switch_edition/
 * ~~[wwylele's 3ds save format documentation](https://github.com/wwylele/3ds-save-tool/tree/master)~~ (migrated to 3dbrew)
 * [wwylele's doc on CEC (WIP)](https://gist.github.com/wwylele/29a8caa6f5e5a7d88a00bedae90472ed)
+* [wwylele's note on region manifest archive format](https://gist.github.com/wwylele/9c530dfe566ab8d3e67d71ed12ddca84) 
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