diff --git a/src/newgrf_house.cpp b/src/newgrf_house.cpp
--- a/src/newgrf_house.cpp
+++ b/src/newgrf_house.cpp
@@ -138,7 +138,7 @@ uint32 GetNearbyTileInformation(byte par
 
 /** Structure with user-data for SearchNearbyHouseXXX - functions */
 typedef struct {
-	const HouseSpec *hs;  ///< Specs of the house, that started the search
+	const HouseSpec *hs;  ///< Specs of the house that started the search.
 	TileIndex north_tile; ///< Northern tile of the house.
 } SearchNearbyHouseData;