message: fix typo: transformation
diff: @@ -480,7 +480,7 @@ public:
  ///
  /// String level modifications performed via insert_substring() and
  /// remove_substring() are mergable and subject to operational
  - /// trsnaformation. That is, the effect of two causally unrelated
  + /// transformation. That is, the effect of two causally unrelated
  /// modifications will in general both be retained during synchronization.
  static const size_t max_string_size = 0xFFFFF8 - Array::header_size - 1;
  