explain API

README.md

@@ -41,8 +41,9 @@ Beta version of [SHIFT](https://shift-europe.eu/) TTS tool with [AudioGen sounds
 <summary>
 Build virtualenv & run api.py
 </summary>
-Besides `demo.py` that runs as a standalone script. We also provide `api.py` that enables long-form TTS with soundscape
-w/o need to load the TTS/AudioGen model again & again. The examples below use api.py.
+
+Above `demo.py` is a standalone script that loads SHIFT TTS & AudioGen model(s) and synthesizes a txt. We also provide a Flask `api.py` that allows faster inference with
+loading only once the TTS & AudioGen model.
 
 Clone