Update README.md

Author: scraly

README.md

@@ -471,7 +471,7 @@ All the data (past and coming) are available publicly in JSON:
 * 23-25: [Open Source Summit North America](https://events.linuxfoundation.org/open-source-summit-north-america/) - Denver, CO (USA) <a href="https://sessionize.com/open-source-summit-na-2025"><img alt="CFP OSS NA 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2016-February-2025&color=red"></a>
 * 23-27: [MLCon](https://mlconference.ai/munich/) - Munich (Germany)
 * 23-27: [PlatformCon Live Day London 2025](https://platformcon.com/live-day-london) - Online <a href="https://sessionize.com/platformcon-2025/"><img alt="CFP PlatformCon Live Day London 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2023-February-2025&color=red"></a>
-* 24: [WAX 2025](https://www.waxconf.fr/) - Aix-en-Provence (France) <a href="https://conference-hall.io/wax2025"><img alt="CFP WAX 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2024-May-2025&color=green"></a>
+* 24: [WAX 2025](https://www.waxconf.fr/) - Aix-en-Provence (France) <a href="https://conference-hall.io/wax2025"><img alt="CFP WAX 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2031-March-2025&color=green"></a>
 * 25: [ReactNext 2025](https://www.react-next.com/) - Tel Aviv (Israel) <a href="https://sessionize.com/reactnext-2025/"><img alt="CFP ReactNext 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2015-February-2025&color=red"></a>
 * 25: [PlatformCon Live Day London 2025](https://platformcon.com/live-day-london) - London (UK)
 * 25-26: [Agi'Lille 2025](https://agilille.fr) - Lille (France) <a href="https://sessionize.com/agilille-2025/"><img alt="CFP Agi'Lille 2025" src="https://img.shields.io/static/v1?label=CFP&message=until%2002-February-2025&color=red"></a>