Fix error messages

src/enums/MDGender.php

@@ -31,7 +31,7 @@ public static function fromString(string $input):MDGender {
             "female" => self::female,
             "male" => self::male,
             "other" => self::other,
-            default => throw new MDpageParameterNotFromListException("Unknown series place role"),
+            default => throw new MDpageParameterNotFromListException("Unknown gender"),
         };
 
     }
@@ -50,7 +50,7 @@ public static function fromInt(int $input):MDGender {
             1 => self::female,
             2 => self::male,
             3 => self::other,
-            default => throw new MDpageParameterNotFromListException("Unknown series place role"),
+            default => throw new MDpageParameterNotFromListException("Unknown gender"),
         };
 
     }