diff --git a/README.md b/README.md
index 85ee564..493143e 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,6 @@
 
 This allows you to annotate Xunit test cases with a mutation that should cause the test to fail.
 
-`mutannot.fsx` will apply each mutation and verify that the test actually fails.
+`verify-coverage-mutants.fsx` will apply each mutation and verify that the test actually fails.
 
 Current state: LLM-generated prototype