diff --git a/README.md b/README.md
index feb89c8857d89daa8885552f5812e486e29124c5..f836141ffe77e39ac01b6fa7da5ad2ff422520fa 100644
--- a/README.md
+++ b/README.md
@@ -926,10 +926,7 @@ let options = {
     endDate: (new Date()).toISOString(),        // optional; default now
 };
 
-AppleHealthKit.saveMindfulSession({
-  startDate: startDate,
-  endDate: endDate
-}, (err, res) => {
+AppleHealthKit.saveMindfulSession(options, (err, res) => {
   if (err) return console.log(err)
   console.log('Mindful session saved')
 });