diff --git a/libraries/AC_Autorotation/AC_Autorotation.cpp b/libraries/AC_Autorotation/AC_Autorotation.cpp
index 3d39f8b913..3937003570 100644
--- a/libraries/AC_Autorotation/AC_Autorotation.cpp
+++ b/libraries/AC_Autorotation/AC_Autorotation.cpp
@@ -29,7 +29,7 @@ const AP_Param::GroupInfo AC_Autorotation::var_info[] = {
     AP_GROUPINFO_FLAGS("ENABLE", 1, AC_Autorotation, _param_enable, 0, AP_PARAM_FLAG_ENABLE),
 
     // @Param: HS_P
-    // @DisplayName: P gain for head spead controller
+    // @DisplayName: P gain for head speed controller
     // @Description: Increase value to increase sensitivity of head speed controller during autonomous autorotation.
     // @Range: 0.3 1
     // @Increment: 0.01