diff --git a/APMrover2/Parameters.cpp b/APMrover2/Parameters.cpp
index 369cd9a541..f3f5e1372d 100644
--- a/APMrover2/Parameters.cpp
+++ b/APMrover2/Parameters.cpp
@@ -518,7 +518,7 @@ const AP_Param::Info Rover::var_info[] PROGMEM = {
     GOBJECT(camera_mount,           "MNT",  AP_Mount),
 #endif
 
-    // @Group: BATT_
+    // @Group: BATT
     // @Path: ../libraries/AP_BattMonitor/AP_BattMonitor.cpp
     GOBJECT(battery,                "BATT", AP_BattMonitor),