diff --git a/ArduCopter/control_modes.pde b/ArduCopter/control_modes.pde
index 1eb6b6e87c..818b6d1c38 100644
--- a/ArduCopter/control_modes.pde
+++ b/ArduCopter/control_modes.pde
@@ -1,6 +1,6 @@
 /// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
 
-#define CONTROL_SWITCH_COUNTER  20  // 10 iterations at 100hz (i.e. 1/10th of a second) at a new switch position will cause flight mode change
+#define CONTROL_SWITCH_COUNTER  20  // 20 iterations at 100hz (i.e. 2/10th of a second) at a new switch position will cause flight mode change
 static void read_control_switch()
 {
     static uint8_t switch_counter = 0;