diff --git a/src/system-health/health_checker/hardware_checker.py b/src/system-health/health_checker/hardware_checker.py
index de0c70024bf2..b8a2696fd662 100644
--- a/src/system-health/health_checker/hardware_checker.py
+++ b/src/system-health/health_checker/hardware_checker.py
@@ -71,6 +71,7 @@ def _check_fan_status(self, config):
             1. Check all fans are present
             2. Check all fans are in good state
             3. Check fan speed is in valid range
+            4. Check all fans direction are the same
         :param config: Health checker configuration
         :return:
         """