diff --git a/lib/credo/cli/command/diff/diff_output.ex b/lib/credo/cli/command/diff/diff_output.ex
index 910d44c5e..e84b99eb3 100644
--- a/lib/credo/cli/command/diff/diff_output.ex
+++ b/lib/credo/cli/command/diff/diff_output.ex
@@ -41,7 +41,7 @@ defmodule Credo.CLI.Command.Diff.DiffOutput do
             --enable-disabled-checks  Re-enable disabled checks that match the given strings
             --files-included          Only include these files (accepts globs, can be used multiple times)
             --files-excluded          Exclude these files (accepts globs, can be used multiple times)
-            --format                  Display the list in a specific format (json,flycheck,sarif,oneline)
+            --format                  Display the list in a specific format (json)
             --from-dir                Diff from the given directory
             --from-git-ref            Diff from the given Git ref
             --from-git-merge-base     Diff from where the current HEAD branched off from the given merge base