diff --git a/libraries/AP_Logger/LogStructure.h b/libraries/AP_Logger/LogStructure.h
index 1259c6417c..bde0a6c38b 100644
--- a/libraries/AP_Logger/LogStructure.h
+++ b/libraries/AP_Logger/LogStructure.h
@@ -817,7 +817,8 @@ struct PACKED log_VER {
 // @Field: TimeUS: Time since system startup
 // @Field: LandingGear: Current landing gear state
 // @FieldValueEnum: LandingGear: AP_LandingGear::LG_LandingGear_State
-// @Field: WeightOnWheels: True if there is weight on wheels
+// @Field: WeightOnWheels: Weight on wheels state
+// @FieldValueEnum: WeightOnWheels: AP_LandingGear::LG_WOW_State
 
 // @LoggerMessage: MAG
 // @Description: Information received from compasses
@@ -901,8 +902,20 @@ struct PACKED log_VER {
 // @Field: Value: parameter value
 // @Field: Default: default parameter value for this board and config
 
-// @LoggerMessage: PIDR,PIDP,PIDY,PIDA,PIDS,PIDN,PIDE
-// @Description: Proportional/Integral/Derivative gain values for Roll/Pitch/Yaw/Altitude/Steering
+// @LoggerMessage: PIDR
+// @Description: Proportional/Integral/Derivative gain values for Roll rate
+// @LoggerMessage: PIDP
+// @Description: Proportional/Integral/Derivative gain values for Pitch rate
+// @LoggerMessage: PIDY
+// @Description: Proportional/Integral/Derivative gain values for Yaw rate
+// @LoggerMessage: PIDA
+// @Description: Proportional/Integral/Derivative gain values for vertical acceleration
+// @LoggerMessage: PIDS
+// @Description: Proportional/Integral/Derivative gain values for ground steering yaw rate
+// @LoggerMessage: PIDN
+// @Description: Proportional/Integral/Derivative gain values for North/South velocity
+// @LoggerMessage: PIDE
+// @Description: Proportional/Integral/Derivative gain values for East/West velocity
 // @Field: TimeUS: Time since system startup
 // @Field: Tar: desired value
 // @Field: Act: achieved value
@@ -1257,7 +1270,7 @@ LOG_STRUCTURE_FROM_MOUNT \
       "SRTL", "QBHHBfff", "TimeUS,Active,NumPts,MaxPts,Action,N,E,D", "s----mmm", "F----000" }, \
 LOG_STRUCTURE_FROM_AVOIDANCE \
     { LOG_SIMSTATE_MSG, sizeof(log_AHRS), \
-      "SIM","QccCfLLffff","TimeUS,Roll,Pitch,Yaw,Alt,Lat,Lng,Q1,Q2,Q3,Q4", "sddhmDU????", "FBBB0GG????", true }, \
+      "SIM","QccCfLLffff","TimeUS,Roll,Pitch,Yaw,Alt,Lat,Lng,Q1,Q2,Q3,Q4", "sddhmDU----", "FBBB0GG0000", true }, \
     { LOG_TERRAIN_MSG, sizeof(log_TERRAIN), \
       "TERR","QBLLHffHHf","TimeUS,Status,Lat,Lng,Spacing,TerrH,CHeight,Pending,Loaded,ROfs", "s-DU-mm--m", "F-GG-00--0", true }, \
 LOG_STRUCTURE_FROM_ESC_TELEM \