Fix BotAuthentication documentation issue
Fix BotAuthentication documentation issue

yakumo/BotBuilder,dr-em/BotBuilder,mmatkow/BotBuilder,mmatkow/BotBuilder,xiangyan99/BotBuilder,stevengum97/BotBuilder,msft-shahins/BotBuilder,msft-shahins/BotBuilder,xiangyan99/BotBuilder,stevengum97/BotBuilder,xiangyan99/BotBuilder,mmatkow/BotBuilder,stevengum97/BotBuilder,stevengum97/BotBuilder,xiangyan99/BotBuilder,yakumo/BotBuilder,dr-em/BotBuilder,msft-shahins/BotBuilder,mmatkow/BotBuilder,dr-em/BotBuilder,dr-em/BotBuilder,yakumo/BotBuilder,yakumo/BotBuilder,msft-shahins/BotBuilder