code: @Nullable
      @ObjectiveCName("editMyAboutCommandWithNick:")
      public Command<Boolean> editMyAbout(final String newAbout) {
          return callback -> modules.getUsersModule().editAbout(newAbout)
                  .then(v -> callback.onResult(true))
                  .failure(e -> callback.onError(e));
      }
docs: Edit current user's about
  
  @param newAbout new user's about
  @return Command for execution