diff --git a/doc/manual/src/glossary.md b/doc/manual/src/glossary.md
index 91865c807..608beb8f8 100644
--- a/doc/manual/src/glossary.md
+++ b/doc/manual/src/glossary.md
@@ -59,8 +59,9 @@
     - the store object is signed by one of the `trusted-public-keys`
     - the substituter is in the `trusted-substituters` list
     - the `no-require-sigs` option has been set to disable signature checking
-    - the store object is a derivation
-    - the store object is the realisation of a fixed-output derivation
+    - the store object is *output-addressed*; this includes
+      derivations, the outputs of content-addressed derivations, and
+      the outputs of fixed-output derivations.
 
   - [purity]{#gloss-purity}\
     The assumption that equal Nix derivations when run always produce