diff --git a/doc/guide-startmany.md b/doc/guide-startmany.md
index 6c3a4a33f..65fa39f52 100644
--- a/doc/guide-startmany.md
+++ b/doc/guide-startmany.md
@@ -68,6 +68,8 @@ Issue the following:
 
 ```masternode genkey```
 
+*Note: A masternode private key will need to be created for each MasterNode you run. You should not use the same masternode private key for multiple MasterNodes.*
+
 Close your QT Wallet.
 
 ## <a name="masternodeconf"></a>Create masternode.conf file