diff --git a/content/notes/think-writing.md b/content/notes/think-writing.md
index 0d271340d..9061979ab 100644
--- a/content/notes/think-writing.md
+++ b/content/notes/think-writing.md
@@ -35,4 +35,5 @@ More about adding new member
 - hyperledger docs
 	- transaction to remove peer requires the node making the transaction to have the can-remove-peer permission
 	- can nodes with this perssion remove peers at will?
-	- not 1:1 nodes:accounts
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+	- not 1:1 nodes:accounts
+	- with HL Burrow you can use Solidity smart-contracts on Iroha
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