diff --git a/src/index.html b/src/index.html
index ce82214..e0e334b 100644
--- a/src/index.html
+++ b/src/index.html
@@ -37,7 +37,7 @@
     max_size = {{MAX_SIZE}} // in megabytes
     max_days = {{MAX_DAYS}}
     min_days = {{MIN_DAYS}}
-    retention = min_days + (max_days - min_days) * (1 - file_size / max_size)) ^ e
+    retention = min_days + (max_days - min_days) * (1 - file_size / max_size) ^ e
     </code></pre>
     Cleanup happens everyday when midnight (IST) has passed
     <!-- CLEANUP_END -->