diff --git a/kairos-server/src/lib.rs b/kairos-server/src/lib.rs
index fe714679..aa6f8857 100644
--- a/kairos-server/src/lib.rs
+++ b/kairos-server/src/lib.rs
@@ -41,7 +41,7 @@ pub fn app_router(state: ServerState) -> Router {
 }
 
 pub async fn run_l1_sync(config: ServerConfig, server_state: Arc<ServerStateInner>) {
-    // Make sure real contract hash was provided.
+    // Make sure default dummy value of contract hash was set.
     if config.casper_contract_hash
         == "0000000000000000000000000000000000000000000000000000000000000000"
     {