Update index.md

source/promote/index.md

@@ -21,7 +21,7 @@ In order to improve the odds of those contributions to be taken into account, I
 
 Here is my current list as of October 2024:
 
-* 𝋀 ~~Certificate issue in dotnet 9 sdk (RC2): https://github.com/dotnet/sdk/issues/44123 .~~ solved
+* 𝋀 Support .Net 9 for Marten https://github.com/JasperFx/jasperfx/pull/18
 * 𝋁 Improvement on SignalR: https://github.com/dotnet/aspnetcore/issues/48624
 * 𝋂 Improvement in SignalR Docs: https://github.com/dotnet/AspNetCore.Docs/issues/29435
   * But I think this one is being solved by this MR: https://github.com/StackExchange/StackExchange.Redis/issues/2479 (will probably land in .Net 7 or 8)