Update README.md (#4)

- Update README.md (5da4fa853142b42b2bc52d9caeb1340ef1a2f0bd)


Co-authored-by: Sarah Solito <[email protected]>

README.md

@@ -9,7 +9,7 @@ tags:
 - multispeaker
 - tts
 pipeline_tag: text-to-speech
-license: cc-by-nc-4.0
+license: gpl-3.0
 ---
 
 # 🍵 Matxa-TTS (Matcha-TTS) Catalan Multiaccent
@@ -277,7 +277,7 @@ For further information, please send an email to <[email protected]>.
 Copyright(c) 2023 by Language Technologies Unit, Barcelona Supercomputing Center.
 
 ### License
-[Creative Commons Attribution Non-commercial 4.0](https://www.creativecommons.org/licenses/by-nc/4.0/)
+[GPL-3.0](https://www.gnu.org/licenses/gpl-3.0.html)
 
 These models are free to use for non-commercial and research purposes. Commercial use is only possible through licensing by
 the voice artists. For further information, contact <[email protected]> and <[email protected]>.