Cleanup: Fix various spelling errors

src/script/api/script_event_types.cpp

@@ -122,7 +122,7 @@ ScriptEventAdminPort::ScriptEventAdminPort(const std::string &json) :
 {
 }
 /**
- * Convert a JSON part fo Squirrel.
+ * Convert a JSON part for Squirrel.
  * @param vm The VM used.
  * @param json The JSON part to convert to Squirrel.
  */

src/script/api/script_objecttype.hpp

@@ -46,7 +46,7 @@ public:
 	/**
 	 * Build an object of the specified type.
 	 * @param object_type The type of the object to build.
-	 * @param view The view for teh object.
+	 * @param view The view for the object.
 	 * @param tile The tile to build the object on.
 	 * @pre IsValidObjectType(object_type).
 	 * @return True if the object was successfully build.

src/script/api/script_road.hpp

@@ -72,8 +72,8 @@ public:
 	 * Type of road station.
 	 */
 	enum RoadVehicleType {
-		ROADVEHTYPE_BUS,   ///< Build objects useable for busses and passenger trams
-		ROADVEHTYPE_TRUCK, ///< Build objects useable for trucks and cargo trams
+		ROADVEHTYPE_BUS,   ///< Build objects usable for busses and passenger trams
+		ROADVEHTYPE_TRUCK, ///< Build objects usable for trucks and cargo trams
 	};
 
 	/**

src/script/api/script_story_page.hpp

@@ -50,7 +50,7 @@ public:
 		SPET_GOAL = ::SPET_GOAL,                     ///< An element that displays a goal.
 		SPET_BUTTON_PUSH = ::SPET_BUTTON_PUSH,       ///< A push button that triggers an immediate event.
 		SPET_BUTTON_TILE = ::SPET_BUTTON_TILE,       ///< A button that allows the player to select a tile, and triggers an event with the tile.
-		SPET_BUTTON_VEHICLE = ::SPET_BUTTON_VEHICLE, ///< A button that allows the player to select a vehicle, and triggers an event wih the vehicle.
+		SPET_BUTTON_VEHICLE = ::SPET_BUTTON_VEHICLE, ///< A button that allows the player to select a vehicle, and triggers an event with the vehicle.
 	};
 
 	/**