diff --git a/doc/manual/source/release-notes-determinate/v3.12.2.md b/doc/manual/source/release-notes-determinate/v3.12.2.md
index 99bd058d866..4c8c3169aa7 100644
--- a/doc/manual/source/release-notes-determinate/v3.12.2.md
+++ b/doc/manual/source/release-notes-determinate/v3.12.2.md
@@ -8,7 +8,7 @@
 
 When using Git repositories with a long history, calculating the `revCount` attribute can take a long time. Determinate Nix now computes `revCount` using multiple threads, making it much faster.
 
-Note that if you don't need `revCount`, you can disable it altogether by setting the flake input attribute `shallow = false`.
+Note that if you don't need `revCount`, you can disable it altogether by setting the flake input attribute `shallow = true`.
 
 PR: [DeterminateSystems/nix-src#245](https://github.com/DeterminateSystems/nix-src/pull/245)