message: Fix minor documentation error in ZlibInputStream.
diff: @@ -37,7 +37,7 @@ namespace io {
  // by multiple threads
  class ZlibInputStream : public InputStreamInterface {
  public:
  - // Create a ZlibInputBuffer for `input_stream` with a buffer of size
  + // Create a ZlibInputStream for `input_stream` with a buffer of size
  // `input_buffer_bytes` bytes for reading contents from `input_stream` and
  // another buffer with size `output_buffer_bytes` for caching decompressed
  // contents. Does *not* take ownership of "input_stream".
  