diff --git a/adafruit_bmp3xx.py b/adafruit_bmp3xx.py
index 741d7cd..661b36a 100644
--- a/adafruit_bmp3xx.py
+++ b/adafruit_bmp3xx.py
@@ -193,7 +193,7 @@ def _read(self):
 
         pressure = po1 + po2 + pd4
 
-        # pressure in Pa, temperature in deg C
+        # pressure in hPa, temperature in deg C
         return pressure, temperature
 
     def _read_coefficients(self):