diff --git a/libraries/AP_Follow/AP_Follow.cpp b/libraries/AP_Follow/AP_Follow.cpp
index 78e4448064..bb7dedc03a 100644
--- a/libraries/AP_Follow/AP_Follow.cpp
+++ b/libraries/AP_Follow/AP_Follow.cpp
@@ -30,7 +30,7 @@
 extern const AP_HAL::HAL& hal;
 
 #define AP_FOLLOW_TIMEOUT_MS    3000    // position estimate timeout after 1 second
-#define AP_FOLLOW_SYSID_TIMEOUT_MS 10000 // forget sysid we are following if we haave not heard from them in 10 seconds
+#define AP_FOLLOW_SYSID_TIMEOUT_MS 10000 // forget sysid we are following if we have not heard from them in 10 seconds
 
 #define AP_FOLLOW_OFFSET_TYPE_NED       0   // offsets are in north-east-down frame
 #define AP_FOLLOW_OFFSET_TYPE_RELATIVE  1   // offsets are relative to lead vehicle's heading