message: Fix comment ypo
diff: @@ -186,9 +186,8 @@ class Session {
  /// the `SessionOptions::target` field).
  virtual Status Close() = 0;
  - // NOTE(ashankar): As of July 2017, this is was a method added to
  - // faciliate some experimentation. Reconsider/re-evaluate after
  - // September 2017.
  + // NOTE(ashankar): As of July 2017, this method was added to faciliate some
  + // experimentation. Reconsider/re-evaluate after September 2017.
  //
  // Sets `*output` to the `DeviceMgr` that owns accessible devices in the
  // address-space of the caller.
  