diff --git a/script.js b/script.js
index c7f8862..29e81c2 100644
--- a/script.js
+++ b/script.js
@@ -40,5 +40,5 @@ const form = document.getElementById('merge-form');
                 result.innerHTML = 'Error merging calendars';
             });
         });
-
+        const refreshInterval = 60 * 60 * 1000; // 1 hour
    
\ No newline at end of file