diff --git a/Understanding-and-debugging-Nimbus-EVM-JSON-tests.md b/Understanding-and-debugging-Nimbus-EVM-JSON-tests.md
index 67a03e5..df08b29 100644
--- a/Understanding-and-debugging-Nimbus-EVM-JSON-tests.md
+++ b/Understanding-and-debugging-Nimbus-EVM-JSON-tests.md
@@ -13,12 +13,12 @@ nim c -o:build/decompile_smart_contract -r examples/decompile_smart_contract.nim
 Run Ethereum [JSON-based general state tests](https://github.com/ethereum/tests/):
 ```
 mkdir -p build
-nim c -o:build/test_generalstate_json -r tests/test_generalstate_json.nim
+nim c -r -o:build/test_generalstate_json tests/test_generalstate_json.nim
 ```
 
-Build and run an individual test:
+Build and run an individual test (with tracing enabled):
 ```
-nim c -o:build/test_generalstate_json -r tests/test_generalstate_json.nim tests/fixtures/GeneralStateTests/stAttackTest/ContractCreationSpam.json
+nim c -r -d:chronicles_log_level=TRACE -o:build/test_generalstate_json tests/test_generalstate_json.nim tests/fixtures/GeneralStateTests/stAttackTest/ContractCreationSpam.json
 ```
 
 ## VMTests