diff --git a/15_2_Testing_with_Regtest.md b/15_2_Testing_with_Regtest.md
index abc7ad1..42bc637 100644
--- a/15_2_Testing_with_Regtest.md
+++ b/15_2_Testing_with_Regtest.md
@@ -13,6 +13,6 @@ $ bitcoin-cli -regtest getbalance
 ```
 
 ## Testing the Regtest
-Now you should be able to use this balance for any type of interaction with the private Blockchain, such as sending Bitcoin transactions according to [Chapter 4]((04_0_Sending_Bitcoin_Transactions.md)) in this guide.
+Now you should be able to use this balance for any type of interaction with the private Blockchain, such as sending Bitcoin transactions according to [Chapter 4]((04_0_Sending_Bitcoin_Transactions.md)) in this guide. The only difference is that you need to use the flag `-regtest` when running the `bitcoin-cli` in order for the request to be sent to the Regtest Bitcoin daemon.
 
 It is important to note that for your transactions to complete, you will have to generate/mine new blocks so that the transactions can be included into them.