diff --git a/components/TCA6408/tca6408.h b/components/TCA6408/tca6408.h
index 565a916..b5b1e3f 100644
--- a/components/TCA6408/tca6408.h
+++ b/components/TCA6408/tca6408.h
@@ -33,7 +33,7 @@ class TCA6408Component : public Component,
   uint8_t mode_mask_{0xFF};      // 1 = input, 0 = output
   uint8_t output_mask_{0x00};
   uint8_t input_mask_{0x00};
-  uint8_t polarity_mask_{0x00};  // 1 = inverted (for inputs)
+  uint8_t polarity_mask_{0x00};  // 1 = inverted (hardware polarity for inputs)
 
   InternalGPIOPin *interrupt_pin_{nullptr};
   bool interrupt_triggered_{false};