From 425caeabf79211bacdfb4c4b2f1d4de6a40b9ffb Mon Sep 17 00:00:00 2001
From: Randy Mackay <rmackay9@yahoo.com>
Date: Thu, 18 Feb 2016 11:11:13 +0900
Subject: [PATCH] AC_PI_2D: fix parameter description

---
 libraries/AC_PID/AC_PI_2D.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libraries/AC_PID/AC_PI_2D.cpp b/libraries/AC_PID/AC_PI_2D.cpp
index cde6ace442..68aa15bb80 100644
--- a/libraries/AC_PID/AC_PI_2D.cpp
+++ b/libraries/AC_PID/AC_PI_2D.cpp
@@ -25,7 +25,7 @@ const AP_Param::GroupInfo AC_PI_2D::var_info[] = {
     // @Param: FILT_HZ
     // @DisplayName: PID Input filter frequency in Hz
     // @Description: Input filter frequency in Hz
-    // @Unit: Hz
+    // @Units: Hz
     AP_GROUPINFO("FILT_HZ", 3, AC_PI_2D, _filt_hz, AC_PI_2D_FILT_HZ_DEFAULT),
 
     AP_GROUPEND