diff --git a/include/adclib/adclib_device.h b/include/adclib/adclib_device.h
index 1b1dda8..c39a9d7 100644
--- a/include/adclib/adclib_device.h
+++ b/include/adclib/adclib_device.h
@@ -309,6 +309,7 @@ public:
     }
 
 
+    // function-like access to attributes
     template <typename VT>
     adc_result_t<VT> attr(ATTR_ID_T id)
     {