1 files changed, 1 insertions, 1 deletions
diff --git a/flake.nix b/flake.nix
index a6877cb82..77b016ff0 100644
--- a/flake.nix
+++ b/flake.nix
@@ -102,7 +102,7 @@
             # Tests
             buildPackages.git
             buildPackages.mercurial # FIXME: remove? only needed for tests
-            buildPackages.jq
+            buildPackages.jq # Also for custom mdBook preprocessor.
           ]
           ++ lib.optionals stdenv.hostPlatform.isLinux [(buildPackages.util-linuxMinimal or buildPackages.utillinuxMinimal)];