diff --git a/src/ai/api/ai_airport.hpp b/src/ai/api/ai_airport.hpp
index e4541edf63..fc9fd2acf8 100644
--- a/src/ai/api/ai_airport.hpp
+++ b/src/ai/api/ai_airport.hpp
@@ -129,7 +129,7 @@ public:
 	 * @exception AIError::ERR_FLAT_LAND_REQUIRED
 	 * @exception AIError::ERR_LOCAL_AUTHORITY_REFUSES
 	 * @exception AIStation::ERR_STATION_TOO_LARGE
-	 * @exception AIStation::ERR_STATION_TOO_CLOSE_TO_OTHER_STATION
+	 * @exception AIStation::ERR_STATION_TOO_CLOSE_TO_ANOTHER_STATION
 	 * @return Whether the airport has been/can be build or not.
 	 */
 	static bool BuildAirport(TileIndex tile, AirportType type, StationID station_id);
diff --git a/src/ai/api/ai_order.hpp b/src/ai/api/ai_order.hpp
index c55b5e3e8e..f3ccbb32cb 100644
--- a/src/ai/api/ai_order.hpp
+++ b/src/ai/api/ai_order.hpp
@@ -328,7 +328,7 @@ public:
 	 * @pre AIVehicle::IsValidVehicle(vehicle_id).
 	 * @pre AreOrderFlagsValid(destination, order_flags).
 	 * @exception AIError::ERR_OWNED_BY_ANOTHER_COMPANY
-	 * @exception AIOrder::ERR_ORDER_NO_MORE_SPACE
+	 * @exception AIOrder::ERR_ORDER_TOO_MANY
 	 * @exception AIOrder::ERR_ORDER_TOO_FAR_AWAY_FROM_PREVIOUS_DESTINATION
 	 * @return True if and only if the order was appended.
 	 */
@@ -341,7 +341,7 @@ public:
 	 * @pre AIVehicle::IsValidVehicle(vehicle_id).
 	 * @pre IsValidVehicleOrder(vehicle_id, jump_to).
 	 * @exception AIError::ERR_OWNED_BY_ANOTHER_COMPANY
-	 * @exception AIOrder::ERR_ORDER_NO_MORE_SPACE
+	 * @exception AIOrder::ERR_ORDER_TOO_MANY
 	 * @return True if and only if the order was appended.
 	 */
 	static bool AppendConditionalOrder(VehicleID vehicle_id, OrderPosition jump_to);
@@ -355,7 +355,7 @@ public:
 	 * @pre IsValidVehicleOrder(vehicle_id, order_position).
 	 * @pre AreOrderFlagsValid(destination, order_flags).
 	 * @exception AIError::ERR_OWNED_BY_ANOTHER_COMPANY
-	 * @exception AIOrder::ERR_ORDER_NO_MORE_SPACE
+	 * @exception AIOrder::ERR_ORDER_TOO_MANY
 	 * @exception AIOrder::ERR_ORDER_TOO_FAR_AWAY_FROM_PREVIOUS_DESTINATION
 	 * @return True if and only if the order was inserted.
 	 */
@@ -369,7 +369,7 @@ public:
 	 * @pre IsValidVehicleOrder(vehicle_id, order_position).
 	 * @pre IsValidVehicleOrder(vehicle_id, jump_to).
 	 * @exception AIError::ERR_OWNED_BY_ANOTHER_COMPANY
-	 * @exception AIOrder::ERR_ORDER_NO_MORE_SPACE
+	 * @exception AIOrder::ERR_ORDER_TOO_MANY
 	 * @return True if and only if the order was inserted.
 	 */
 	static bool InsertConditionalOrder(VehicleID vehicle_id, OrderPosition order_position, OrderPosition jump_to);
@@ -442,7 +442,7 @@ public:
 	 * @pre AIVehicle::IsValidVehicle(vehicle_id).
 	 * @pre AIVehicle::IsValidVehicle(main_vehicle_id).
 	 * @exception AIError::ERR_OWNED_BY_ANOTHER_COMPANY
-	 * @exception AIOrder::ERR_ORDER_NO_MORE_SPACE
+	 * @exception AIOrder::ERR_ORDER_TOO_MANY
 	 * @return True if and only if the copying succeeded.
 	 */
 	static bool CopyOrders(VehicleID vehicle_id, VehicleID main_vehicle_id);
diff --git a/src/ai/api/ai_road.hpp b/src/ai/api/ai_road.hpp
index 0a1c60a6ff..e4aefec6dc 100644
--- a/src/ai/api/ai_road.hpp
+++ b/src/ai/api/ai_road.hpp
@@ -349,7 +349,7 @@ public:
 	 * @exception AIError::ERR_FLAT_LAND_REQUIRED
 	 * @exception AIRoad::ERR_ROAD_DRIVE_THROUGH_WRONG_DIRECTION
 	 * @exception AIRoad::ERR_ROAD_CANNOT_BUILD_ON_TOWN_ROAD
-	 * @exception AIError:ERR_VEHICLE_IN_THE_WAY
+	 * @exception AIError::ERR_VEHICLE_IN_THE_WAY
 	 * @exception AIStation::ERR_STATION_TOO_CLOSE_TO_ANOTHER_STATION
 	 * @exception AIStation::ERR_STATION_TOO_MANY_STATIONS
 	 * @exception AIStation::ERR_STATION_TOO_MANY_STATIONS_IN_TOWN
@@ -372,7 +372,7 @@ public:
 	 * @exception AIError::ERR_FLAT_LAND_REQUIRED
 	 * @exception AIRoad::ERR_ROAD_DRIVE_THROUGH_WRONG_DIRECTION
 	 * @exception AIRoad::ERR_ROAD_CANNOT_BUILD_ON_TOWN_ROAD
-	 * @exception AIError:ERR_VEHICLE_IN_THE_WAY
+	 * @exception AIError::ERR_VEHICLE_IN_THE_WAY
 	 * @exception AIStation::ERR_STATION_TOO_CLOSE_TO_ANOTHER_STATION
 	 * @exception AIStation::ERR_STATION_TOO_MANY_STATIONS
 	 * @exception AIStation::ERR_STATION_TOO_MANY_STATIONS_IN_TOWN
diff --git a/src/ai/api/ai_vehicle.hpp b/src/ai/api/ai_vehicle.hpp
index 8d74421040..c9af6f0c0e 100644
--- a/src/ai/api/ai_vehicle.hpp
+++ b/src/ai/api/ai_vehicle.hpp
@@ -58,7 +58,7 @@ public:
 		ERR_VEHICLE_IN_FLIGHT,                  // [STR_ERROR_AIRCRAFT_IS_IN_FLIGHT]
 
 		/** Vehicle is without power */
-		ERR_VEHCILE_NO_POWER,                   // [STR_TRAIN_START_NO_CATENARY]
+		ERR_VEHICLE_NO_POWER,                   // [STR_TRAIN_START_NO_CATENARY]
 
 	};