diff --git a/book/source/glossary.md b/book/source/glossary.md
index 5994e9e..2a6baa6 100644
--- a/book/source/glossary.md
+++ b/book/source/glossary.md
@@ -208,6 +208,9 @@ Hash Digest
 Hash Function
     A function used to map data of arbitrary size to fixed-size values (see {term}`Hash Digest`).
 
+Hash Value
+    See {term}`Hash Digest`.
+
 Hashed Area
     An area in an {term}`OpenPGP Signature Packet` containing {term}`OpenPGP Signature Subpacket`s, that is covered by the {term}`Hash Digest` a {term}`Cryptographic Signature` is created for. See [](subpacket-areas).