diff --git a/README.md b/README.md
index 2ebc576..d83ffc0 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # WIP Python framework for MATT smart contracts
 
-This repository contains a (very much Work In Progress) framework to create and test smart contracts using the `OP_CHECKCONTRACVERIFY` opcode of MATT.
+This repository contains a (very much Work In Progress) framework to create and test smart contracts using the `OP_CHECKCONTRACTVERIFY` opcode of MATT.
 
 # Prerequisites
 ## Installing the library
@@ -95,4 +95,4 @@ Refer to the [pytest documentation](https://docs.pytest.org/) for more advanced
 
 ## Report
 
-Some tests produce additional illustrative info about the transactions produced during the contract execution, in a Markdown report called `report.md`.
\ No newline at end of file
+Some tests produce additional illustrative info about the transactions produced during the contract execution, in a Markdown report called `report.md`.