diff --git a/libraries/APM_Control/AP_PitchController.cpp b/libraries/APM_Control/AP_PitchController.cpp
index ba4a5c22bb..a04e3c30a0 100644
--- a/libraries/APM_Control/AP_PitchController.cpp
+++ b/libraries/APM_Control/AP_PitchController.cpp
@@ -38,7 +38,7 @@ const AP_Param::GroupInfo AP_PitchController::var_info[] PROGMEM = {
 	// @Param: P
 	// @DisplayName: Proportional Gain
 	// @Description: This is the gain from pitch angle to elevator. This gain works the same way as PTCH2SRV_P in the old PID controller and can be set to the same value.
-	// @Range: 0.1 2.0
+	// @Range: 0.1 3.0
 	// @Increment: 0.1
 	// @User: User
 	AP_GROUPINFO("P",        1, AP_PitchController, gains.P,          0.4f),
diff --git a/libraries/APM_Control/AP_RollController.cpp b/libraries/APM_Control/AP_RollController.cpp
index b1dbe00502..8fa47573f7 100644
--- a/libraries/APM_Control/AP_RollController.cpp
+++ b/libraries/APM_Control/AP_RollController.cpp
@@ -37,7 +37,7 @@ const AP_Param::GroupInfo AP_RollController::var_info[] PROGMEM = {
 	// @Param: P
 	// @DisplayName: Proportional Gain
 	// @Description: This is the gain from bank angle to aileron. This gain works the same way as the P term in the old PID (RLL2SRV_P) and can be set to the same value.
-	// @Range: 0.1 2.0
+	// @Range: 0.1 4.0
 	// @Increment: 0.1
 	// @User: User
 	AP_GROUPINFO("P",        1, AP_RollController, gains.P,        0.4f),