diff --git a/doc/draft.md b/doc/draft.md
index 2a5993c..cbac6bd 100644
--- a/doc/draft.md
+++ b/doc/draft.md
@@ -1,6 +1,6 @@
 # Just Enough Doc
 
-## Rum `simple` example
+## Run `simple` example
 
 This example is meant to show basic service-based IMAP server with boitalettres library.
 
@@ -16,6 +16,10 @@ $ cargo run --example simple
 $ python scripts/test_imap.py
 ```
 
+## Notes
+
+- The library use the `tracing` library for logging, a basic setup is shown in the `simple` example with the `tracing-subscriber` crate.
+
 ## References
 
 - [`imap-codec`](https://docs.rs/imap-codec): IMAP protocol model+encoder/decoder