diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 2536a7f68..0f2aba62c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -66,3 +66,9 @@ cargo build
   ```shell
   cargo run --release --features=extra -- --log-level trace
   ```
+
+- To redirect trace logs to a file, enable the `--log-target file` switch.
+  ```shell
+  cargo run --release --features=extra -- --log-level trace --log-target file
+  [($nu.temp-path) nu-($nu.pid).log] | path join | open
+  ```