Update index.mdx

Author: lcian

docs/platforms/rust/common/logs/index.mdx

@@ -12,11 +12,11 @@ With Sentry Structured Logs, you can send text based log information from your a
 ## Requirements
 
 Logs in Rust are supported in Sentry Rust SDK version `0.39.0` and above.
-Additionally, the `UNSTABLE_logs` feature flag needs to be enabled.
+Additionally, the `logs` feature flag needs to be enabled.
 
 ```toml {filename:Cargo.toml}
 [dependencies]
-sentry = { version = "{{@inject packages.version('sentry.rust') }}", features = ["UNSTABLE_logs"] }
+sentry = { version = "{{@inject packages.version('sentry.rust') }}", features = ["logs"] }
 ```
 
 ## Setup