diff --git a/book/source/glossary.md b/book/source/glossary.md
index f2812b9..d1bad65 100644
--- a/book/source/glossary.md
+++ b/book/source/glossary.md
@@ -169,7 +169,7 @@ Embedded Signature Subpacket
 Encrypted Data
     Data that is encrypted.
 
-    See [](/encryption.html).
+    See [](/encryption).
 
 Encryption Key Flag
     A {term}`Key Flag`, indicating that a {term}`Component Key` can be used for encrypting data. See [](key-flags).