diff --git a/tools/maps/MangoPi-MQ-Pro.py b/tools/maps/MangoPi-MQ-Pro.py
index 55014ce..2c74df1 100644
--- a/tools/maps/MangoPi-MQ-Pro.py
+++ b/tools/maps/MangoPi-MQ-Pro.py
@@ -6,8 +6,7 @@
 
     Each gpio[] entry is a list with two items:
         [0] the pinmux pin number, or 'None' if a power pin
-        [1] the pin number on the connector
-        [2] a text description, or 'None' to omit the pin
+        [1] a text description, or 'None' to ignore the pin
 
 '''