diff --git a/examples/actix-web/reddit-api/src/db_session.rs b/examples/actix-web/reddit-api/src/db_session.rs
index d81d882..0edf8ee 100644
--- a/examples/actix-web/reddit-api/src/db_session.rs
+++ b/examples/actix-web/reddit-api/src/db_session.rs
@@ -4,6 +4,7 @@ const NODES: [&str; 3] = ["127.0.0.1:9042", "127.0.0.1:9043", "127.0.0.1:9044"];
 const KEYSPACE: &str = "reddit_example";
 const CACHE_SIZE: usize = 1000;
 
+/// For test use only; do not reinitialize in production.
 pub async fn db_session() -> CachingSession {
     let db_session = default_session().await;