diff --git a/src/bridge_map.cpp b/src/bridge_map.cpp
--- a/src/bridge_map.cpp
+++ b/src/bridge_map.cpp
@@ -56,7 +56,7 @@ TileIndex GetSouthernBridgeEnd(TileIndex
 
 /**
  * Starting at one bridge end finds the other bridge end
- * @param t the bridge ramp tile to find the other bridge ramp for
+ * @param tile the bridge ramp tile to find the other bridge ramp for
  */
 TileIndex GetOtherBridgeEnd(TileIndex tile)
 {
@@ -66,7 +66,7 @@ TileIndex GetOtherBridgeEnd(TileIndex ti
 
 /**
  * Get the height ('z') of a bridge.
- * @param tile the bridge ramp tile to get the bridge height from
+ * @param t the bridge ramp tile to get the bridge height from
  * @return the height of the bridge.
  */
 int GetBridgeHeight(TileIndex t)