(svn r19775) -Fix: improper use of 'then' in few comments (ln)

src/ai/api/ai_controller.hpp

@@ -77,7 +77,7 @@ public:
 	 *   you can control that number here.
 	 * @param ticks The minimum amount of ticks to wait.
 	 * @pre Ticks should be positive. Too big values will influence performance of the AI.
-	 * @note If the number is lower then the MP setting, the MP setting wins.
+	 * @note If the number is lower than the MP setting, the MP setting wins.
 	 */
 	static void SetCommandDelay(int ticks);
 

src/ai/api/ai_industry.hpp

@@ -25,7 +25,7 @@ public:
 	 * Gets the number of industries.
 	 * @return The number of industries.
 	 * @post Return value is always non-negative.
-	 * @note The maximum valid IndustryID can be higher then the value returned.
+	 * @note The maximum valid IndustryID can be higher than the value returned.
 	 */
 	static int32 GetIndustryCount();
 

src/ai/api/ai_order.hpp

@@ -118,7 +118,7 @@ public:
 		ORDER_INVALID = -1,   //!< An invalid order.
 	};
 
-	/** Where to stop trains in a station that's longer then the train */
+	/** Where to stop trains in a station that's longer than the train */
 	enum StopLocation {
 		STOPLOCATION_NEAR,         //!< Stop the train as soon as it's completely in the station
 		STOPLOCATION_MIDDLE,       //!< Stop the train in the middle of the station

src/ai/api/ai_waypoint.hpp

@@ -43,7 +43,7 @@ public:
 		/** The waypoint is build too close to another waypoint */
 		ERR_WAYPOINT_TOO_CLOSE_TO_ANOTHER_WAYPOINT, // [STR_ERROR_TOO_CLOSE_TO_ANOTHER_WAYPOINT]
 
-		/** The waypoint would join more then one existing waypoint together. */
+		/** The waypoint would join more than one existing waypoint together. */
 		ERR_WAYPOINT_ADJOINS_MULTIPLE_WAYPOINTS,    // [STR_ERROR_WAYPOINT_ADJOINS_MORE_THAN_ONE_EXISTING]
 	};