diff --git a/src/main.rs b/src/main.rs
index 7108941..c2cc0b9 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -26,7 +26,7 @@ fn main() {
         body: "short body(hehe)".to_string(),
         expir_timeout: 0
     };
-    truncate_summary(&mut not);
+    truncate_summary(&mut not); //Limit the summary length
     
     println!("{}",not.summary);
 }