diff --git a/platformio.ini b/platformio.ini
index d16069589..7c69ef39c 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -238,7 +238,7 @@ lib_ldf_mode = off
 lib_ignore = Module EMS-ESP-Modules
 
 ; unit tests
-;  The code is in test/test_api.h/cpp
+;  The code is in ./test/test_api.*
 ; 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