diff --git a/ArduCopter/mode_auto.cpp b/ArduCopter/mode_auto.cpp
index 574f58ec9a0716..4b5f5567e64ac6 100644
--- a/ArduCopter/mode_auto.cpp
+++ b/ArduCopter/mode_auto.cpp
@@ -1408,7 +1408,7 @@ void PayloadPlace::run_vertical_control()
                 gcs().send_text(MAV_SEVERITY_WARNING, "%s PLDP_RNG_MAX set and rangefinder not enabled", prefix_str);
                 break;
             } else if (copter.rangefinder_alt_ok() && (copter.rangefinder_state.glitch_count == 0) && (copter.rangefinder_state.alt_cm > g2.pldp_range_finder_maximum_m * 100.0)) {
-                // range finder altitude is above maximum
+                // range finder altitude is above minimum
                 place_start_time_ms = now_ms;
                 break;
             }