message: Exit: Fix typo.
diff: @@ -48,7 +48,7 @@ namespace elle
  public:
  /// Construct an Exit Exception with a given return code.
  ///
  - /// @parma return_code The return code.
  + /// @param return_code The return code.
  Exit(int return_code = 0);
  ELLE_ATTRIBUTE_R(int, return_code);
  };
  