diff --git a/.credo.exs b/.credo.exs
index f078317..93bffde 100644
--- a/.credo.exs
+++ b/.credo.exs
@@ -172,7 +172,7 @@
         {Credo.Check.Warning.UnusedPathOperation, []},
         {Credo.Check.Warning.UnusedRegexOperation, []},
         {Credo.Check.Warning.UnusedStringOperation, []},
-        {Credo.Check.Warning.UnusedTupleOperation, []}
+        {Credo.Check.Warning.UnusedTupleOperation, []},
       ]
     }
   ]