diff --git a/platformio.ini b/platformio.ini
index 44306203e..bad56e7d2 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -239,9 +239,10 @@ lib_ldf_mode = off
 lib_ignore = Module EMS-ESP-Modules
 
 ; unit tests
-; pio run -e native-test -t exec
-; works on Linux, Windows, and MacOS
-; to update the test results, compile with -DEMSESP_UNITY_CREATE, run and capture the output and then paste this into the test_api.cpp file
+;  The code is in test/test_api.h/cpp
+; to run use `pio run -e native-test -t exec`. All tests should PASS.
+; to update the test results, compile with -DEMSESP_UNITY_CREATE by uncommenting the line below
+; then run and capture the output between "START - CUT HERE" and "END - CUT HERE" into the test_api.h file
 [env:native-test]
 platform = native
 test_build_src = true