diff --git a/keys/66CA01CE2BF2C9B7E8D64E340546823964E39FCA.md b/keys/66CA01CE2BF2C9B7E8D64E340546823964E39FCA.md
index 8802af7fca053108bc60f33bfaadcc6c636904de..6c4caadc246947034c265b29a201dcc832a0373a 100644
--- a/keys/66CA01CE2BF2C9B7E8D64E340546823964E39FCA.md
+++ b/keys/66CA01CE2BF2C9B7E8D64E340546823964E39FCA.md
@@ -5,7 +5,7 @@
 The following is an OpenPGP key transition statement. You can check it by:
 
 * Cutting and pasting it into `gpg --verify`.
-* Running `gpg --verify 66CA01CE2BF2C9B7E8D64E340546823964E39FCA.mdwn`.
+* Running `gpg --verify 66CA01CE2BF2C9B7E8D64E340546823964E39FCA.md`.
 
 You can get the new key [here][openpgp-key]. It might not be my current key, so
 please [check](/keys) to know which is currently in use.