diff --git a/basics/src/main.rs b/basics/src/main.rs
index b7406f99..7a4edcb1 100644
--- a/basics/src/main.rs
+++ b/basics/src/main.rs
@@ -84,7 +84,7 @@ fn main() -> io::Result<()> {
         App::new()
             // cookie session middleware
             .wrap(CookieSession::signed(&[0; 32]).secure(false))
-            // enable logger
+            // enable logger - always register actix-web Logger middleware last 
             .wrap(middleware::Logger::default())
             // register favicon
             .service(favicon)
diff --git a/cookie-auth/src/main.rs b/cookie-auth/src/main.rs
index 2e428014..f8d9fc0b 100644
--- a/cookie-auth/src/main.rs
+++ b/cookie-auth/src/main.rs
@@ -27,6 +27,7 @@ fn main() -> std::io::Result<()> {
                     .name("auth-example")
                     .secure(false),
             ))
+            // enable logger - always register actix-web Logger middleware last 
             .wrap(middleware::Logger::default())
             .service(web::resource("/login").route(web::post().to(login)))
             .service(web::resource("/logout").to(logout))
diff --git a/redis-session/src/main.rs b/redis-session/src/main.rs
index 2705866f..ba840b42 100644
--- a/redis-session/src/main.rs
+++ b/redis-session/src/main.rs
@@ -28,7 +28,7 @@ fn main() -> std::io::Result<()> {
         App::new()
             // redis session middleware
             .wrap(RedisSession::new("127.0.0.1:6379", &[0; 32]))
-            // enable logger
+            // enable logger - always register actix-web Logger middleware last 
             .wrap(middleware::Logger::default())
             // register simple route, handle all methods
             .service(web::resource("/").to(index))