diff --git a/docs/PurchaseSubscription.md b/docs/PurchaseSubscription.md
index 5a05d6f..db10671 100644
--- a/docs/PurchaseSubscription.md
+++ b/docs/PurchaseSubscription.md
@@ -35,7 +35,7 @@ public async Task<bool> PurchaseItem(string productId, string payload)
         if (!connected)
         {
             //we are offline or can't connect, don't try to purchase
-            return;
+            return false;
         }
 
         //check purchases
@@ -70,4 +70,4 @@ public async Task<bool> PurchaseItem(string productId, string payload)
 Learn more about `IInAppBillingVerifyPurchase` in the [Securing Purchases](SecuringPurchases.md) documentation.
 
 
-<= Back to [Table of Contents](README.md)
\ No newline at end of file
+<= Back to [Table of Contents](README.md)