diff --git a/nixos/modules/services/misc/nix-gc.nix b/nixos/modules/services/misc/nix-gc.nix
index b4b4b55a6c82..0fcb01601017 100644
--- a/nixos/modules/services/misc/nix-gc.nix
+++ b/nixos/modules/services/misc/nix-gc.nix
@@ -39,7 +39,7 @@ in
         type = types.str;
         example = "45min";
         description = ''
-          Add a randomized delay before each automatic upgrade.
+          Add a randomized delay before each garbage collection.
           The delay will be chosen between zero and this value.
           This value must be a time span in the format specified by
           <citerefentry><refentrytitle>systemd.time</refentrytitle>
diff --git a/nixos/modules/tasks/auto-upgrade.nix b/nixos/modules/tasks/auto-upgrade.nix
index 1404dcbaf7c0..a5755d08d7de 100644
--- a/nixos/modules/tasks/auto-upgrade.nix
+++ b/nixos/modules/tasks/auto-upgrade.nix
@@ -90,7 +90,7 @@ in {
         example = "45min";
         description = ''
           Add a randomized delay before each automatic upgrade.
-          The delay will be chozen between zero and this value.
+          The delay will be chosen between zero and this value.
           This value must be a time span in the format specified by
           <citerefentry><refentrytitle>systemd.time</refentrytitle>
           <manvolnum>7</manvolnum></citerefentry>