explaining limit without longform synth

README.md

@@ -63,7 +63,7 @@ This is aimed as a resource to increase awareness for these models and to make i
 
 ## Legend
 
-for the [above](#) TTS capability table
+For the [above](#) TTS capability table. Open the [viewer](./viewer) in another window or even another monitor to keep both it and the legend in view.
 
 * Processor ⚡ - Inference done by
   * CPU (CPU**s** = multithreaded) - All models can be run on CPU, so real-time factor should be below 2.0 to qualify for CPU tag, though some more leeway can be given if it supports audio streaming
@@ -83,7 +83,7 @@ for the [above](#) TTS capability table
 * Streaming support 🌊 - Can playback audio while it is still being generated
 * Speech control 🎚 - Ability to change the pitch, duration, etc. for the whole and/or per-phoneme of the generated speech
 * Voice conversion / Speech-To-Speech 🦜 - Streaming support implies real-time S2S; S2T=>T2S does not count
-* Longform synthesis 📜 - Able to synthesize whole paragraphs
+* Longform synthesis 📜 - Able to synthesize whole paragraphs, as some TTS models tend to break down after a certain audio length limit
 
 Example if the proprietary ElevenLabs were to be added to the capabilities table:
 | Name | Processor<br>⚡ | Phonetic alphabet<br>🔤 | Insta-clone<br>👥 | Emotional control<br>🎭 | Prompting<br>📖 | Speech control<br>🎚 | Streaming support<br>🌊 | Voice conversion<br>🦜 | Longform synthesis<br>📜 |