diff --git a/skills/sentry-dotnet-sdk/SKILL.md b/skills/sentry-dotnet-sdk/SKILL.md
index b38769d..7b4b4fb 100644
--- a/skills/sentry-dotnet-sdk/SKILL.md
+++ b/skills/sentry-dotnet-sdk/SKILL.md
@@ -524,6 +524,7 @@ Then check your [Sentry Issues dashboard](https://sentry.io/issues/) — the err
 | `ShutdownTimeout` | `TimeSpan` | — | — | Max wait for event flush on shutdown |
 | `HttpProxy` | `string` | — | — | Proxy URL for Sentry requests |
 | `EnableBackpressureHandling` | `bool` | `true` | — | Auto-reduce sample rates on delivery failures |
+| `TraceIgnoreStatusCodes` | `IList<HttpStatusCodeRange>` | `[]` | — | Drop transactions whose HTTP response status matches any range; e.g., `[404]` or `[(500, 599)]` |
 
 ### ASP.NET Core Extended Options (`SentryAspNetCoreOptions`)