(svn r26458) -Doc: Correct a few spelling mistakes (__ln__)

src/newgrf.cpp

@@ -7659,7 +7659,7 @@ AllowedSubtags _tags_root[] = {
  * Try to skip the current node and all subnodes (if it's a branch node).
  * @param buf Buffer.
  * @param type The node type to skip.
- * @return True if we could skip the node, false if an error occured.
+ * @return True if we could skip the node, false if an error occurred.
  */
 static bool SkipUnknownInfo(ByteReader *buf, byte type)
 {

src/station_cmd.cpp

@@ -658,7 +658,7 @@ static void UpdateStationSignCoord(BaseStation *st)
  * @param reuse Whether to try to reuse a deleted station (gray sign) if possible
  * @param area Area occupied by the new part
  * @param name_class Station naming class to use to generate the new station's name
- * @return Command error that occured, if any
+ * @return Command error that occurred, if any
  */
 static CommandCost BuildStationPart(Station **st, DoCommandFlag flags, bool reuse, TileArea area, StationNaming name_class)
 {