SysAdmin/Calculated-Fields.md

@@ -35,11 +35,11 @@ Here is a sample configuration for acquiring temperature data from the service:
 The key differences from the National Weather Service configuration are:
 
 - `getWUtemperature` must be entered into the `Transform or Calculated Field Function Name` box.  If you are acquiring wind speed data, then the correct entry is `getWUwindSpeed`.  Capitalization must be as shown.
-- The `Function Parameters` box must contain a `stn` entry for the main weather station you want data from and possibly a `stn2` code for a weather station to use as a backup in case the primary station is not available.  An example entry is:
+- The `Function Parameters` box must contain a `stn` entry for the main weather station you want data from and an optional `stn2` code for a weather station to use as a backup in case the primary station is not available.  An example entry is:
 
 ```
-stn: pws:KAKANCHO124
-stn2: pws:MD0691
+    stn: pws:KAKANCHO124
+    stn2: pws:MD0691
 ```
 
 For how to form station codes, see the [[Weather Underground API documentation|http://www.wunderground.com/weather/api/d/docs?d=data/index]] for the `query` pararmeter. In this example, two personal weather stations are being used with station IDs of `KAKANCH0124` and `MD0691`.