diff --git a/contrib/testgen/README.md b/contrib/testgen/README.md
index 55b59bf726..f7262a0222 100644
--- a/contrib/testgen/README.md
+++ b/contrib/testgen/README.md
@@ -4,5 +4,5 @@ Utilities to generate test vectors for the data-driven Dash tests.
 
 Usage: 
 
-    PYTHONPATH=../../test/functional/test_framework ./gen_key_io_test_vectors.py valid 50 > ../../src/test/data/key_io_keys_valid.json
-    PYTHONPATH=../../test/functional/test_framework ./gen_key_io_test_vectors.py invalid 50 > ../../src/test/data/key_io_keys_invalid.json
+    PYTHONPATH=../../test/functional/test_framework ./gen_key_io_test_vectors.py valid 50 > ../../src/test/data/key_io_valid.json
+    PYTHONPATH=../../test/functional/test_framework ./gen_key_io_test_vectors.py invalid 50 > ../../src/test/data/key_io_invalid.json