Fix error message during codec derivation

Author: plokhotnyuk

jsoniter-scala-macros/shared/src/main/scala-3/com/github/plokhotnyuk/jsoniter_scala/macros/JsonCodecMaker.scala

@@ -1145,7 +1145,7 @@ object JsonCodecMaker {
                   case _ => polyRes.appliedTo(ctArgs)
               case other => fail(s"Primary constructor for ${tpe.show} is not MethodType or PolyType but $other")
           } else if (sym.isTerm) Ref(sym).tpe
-          else fail("Only concrete (no free type parametes) Scala classes & objects are supported for ADT leaf classes. " +
+          else fail("Only concrete (no free type parameters) Scala classes & objects are supported for ADT leaf classes. " +
             s"Please consider using of them for ADT with base '${tpe.show}' or provide a custom implicitly accessible codec for the ADT base.")
         }
       }