diff --git a/content/papermod/index.njk b/content/papermod/index.njk
index 41ec8ff..f973b0f 100644
--- a/content/papermod/index.njk
+++ b/content/papermod/index.njk
@@ -383,7 +383,7 @@
             startDate.setHours(12); // I don't care about the time zone
             document.querySelector('.week').textContent = startDate.getFullYear();
             if (document.querySelector('#settings-has-week').checked) {
-                document.querySelector('.week').textContent += `W${getWeek(startDate)}`;
+                document.querySelector('.week').textContent += `-W${getWeek(startDate)}`;
             }
 
             d = new Date(startDate);