diff --git a/libraries/AP_RangeFinder/examples/AP_RangeFinder_test/AP_RangeFinder_test.pde b/libraries/AP_RangeFinder/examples/AP_RangeFinder_test/AP_RangeFinder_test.pde
index c28aad395f..586164c15b 100644
--- a/libraries/AP_RangeFinder/examples/AP_RangeFinder_test/AP_RangeFinder_test.pde
+++ b/libraries/AP_RangeFinder/examples/AP_RangeFinder_test/AP_RangeFinder_test.pde
@@ -3,10 +3,10 @@
   Code by DIYDrones.com
 */
 
-#include <AP_RangeFinder.h>        // Range finder library
+#include <AP_RangeFinder.h>     // Range finder library
 #include <AP_ADC.h>		// ArduPilot Mega Analog to Digital Converter Library
 
-#define RF_PIN AP_RANGEFINDER_PITOT_TUBE // the far back-right pin on the oilpan (near the CLI switch)
+#define RF_PIN AP_RANGEFINDER_PITOT_TUBE // the pitot tube on the front of the oilpan
 //#define RF_PIN A5 // A5 is the far back-right pin on the oilpan (near the CLI switch)
 
 // declare global instances for reading pitot tube