update docstring

TTS/utils/synthesizer.py

@@ -17,7 +17,9 @@ from TTS.tts.utils.text import make_symbols, phonemes, symbols
 
 class Synthesizer(object):
     def __init__(self, tts_checkpoint, tts_config, vocoder_checkpoint=None, vocoder_config=None, use_cuda=False):
-        """Encapsulation of tts and vocoder models for inference.
+        """General TTS interface for inference. It takes a tts and a vocoder
+        model and synthesize speech from the provided text with a basic text
+        formatting.
 
         TODO: handle multi-speaker and GST inference.