diff --git a/doc/manual/src/architecture/architecture.md b/doc/manual/src/architecture/architecture.md
index ae977a7e1..fa992e563 100644
--- a/doc/manual/src/architecture/architecture.md
+++ b/doc/manual/src/architecture/architecture.md
@@ -37,6 +37,6 @@ In practice this amounts to a set of files in a file system.
 
 The command line and Nix language are what users interact with most.
 
-Underlying everything is the [Nix store](./store/store.md), a mechanism to keep track of build plans, data, and references between them.
+Underlying these is the [Nix store](./store/store.md), a mechanism to keep track of build plans, data, and references between them.
 It can also execute *build instructions*, captured in the build tasks, to produce new data.