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-rw-r--r--nixos/modules/virtualisation/docker.nix5
1 files changed, 3 insertions, 2 deletions
diff --git a/nixos/modules/virtualisation/docker.nix b/nixos/modules/virtualisation/docker.nix
index 25274c440e68..5a8a0e27436f 100644
--- a/nixos/modules/virtualisation/docker.nix
+++ b/nixos/modules/virtualisation/docker.nix
@@ -100,8 +100,9 @@ in
         type = types.bool;
         default = false;
         description = ''
-          Whether to periodically prune Docker resources. If enabled, a systemd timer will run
-          <literal>docker system prune -f</literal> once a day.
+          Whether to periodically prune Docker resources. If enabled, a
+          systemd timer will run <literal>docker system prune -f</literal>
+          as specified by the <literal>dates</literal> option.
         '';
       };