diff -r 0fa543611bbe -r dce9a6923bb7 src/engine.h
--- a/src/engine.h	Tue Jun 12 11:56:35 2007 +0000
+++ b/src/engine.h	Wed Jun 13 11:00:24 2007 +0000
@@ -90,7 +90,7 @@
 	Date base_intro;
 	Year lifelength;
 	Year base_life;
-	byte unk2;         ///< Carriages have the highest bit set in this one
+	byte unk2;         ///< flag for carriage(bit 7) and decay speed(bits0..6)
 	byte load_amount;
 	byte climates;
 	uint32 refit_mask;
@@ -295,7 +295,7 @@
 
 /**
  * Remove all engine replacement settings for the player.
- * @param  er The renewlist for a given player.
+ * @param  erl The renewlist for a given player.
  * @return The new renewlist for the player.
  */
 void RemoveAllEngineReplacement(EngineRenewList* erl);