diff --git a/AES-Keys.md b/AES-Keys.md
index dc1a748..e29f803 100644
--- a/AES-Keys.md
+++ b/AES-Keys.md
@@ -50,6 +50,7 @@ The strings `0123456789ABCDEF0123456789ABCDEF` in the example above are all plac
 
   Required keys: `slot0x25KeyX` and `slot0x2CKeyX`. If loading encrypted New 3DS games, 
   `slot0x18KeyX` and `slot0x1BKeyX` are also required. 
+  For those who are interested, [**here's a write-up about 3DS security**](https://www.reddit.com/r/3dshacks/comments/56lk5p/game_ncch_and_cdn_encryption_an_explanation/), that also talks about the `slot0x25KeyX`.
 ### Sharing Mii via QR code between Citra and 3DS
 
   Required keys: single `slot0x2DKeyN`, OR `slot0x2DKeyX`, `slot0x2DKeyY` together.