diff --git a/src/economy_type.h b/src/economy_type.h
index a6ad493979..247b5e885a 100644
--- a/src/economy_type.h
+++ b/src/economy_type.h
@@ -59,20 +59,18 @@ struct Economy {
 
 /** Score categories in the detailed performance rating. */
 enum ScoreID : uint8_t {
-	SCORE_BEGIN      = 0,
-	SCORE_VEHICLES   = 0,
-	SCORE_STATIONS   = 1,
-	SCORE_MIN_PROFIT = 2,
-	SCORE_MIN_INCOME = 3,
-	SCORE_MAX_INCOME = 4,
-	SCORE_DELIVERED  = 5,
-	SCORE_CARGO      = 6,
-	SCORE_MONEY      = 7,
-	SCORE_LOAN       = 8,
-	SCORE_TOTAL      = 9,  ///< This must always be the last entry
-	SCORE_END        = 10, ///< How many scores are there..
-
-
+	SCORE_BEGIN = 0, ///< The lowest valid value.
+	SCORE_VEHICLES = 0, ///< Number of vehicles that turned profit last year.
+	SCORE_STATIONS = 1, ///< Number of recently-serviced stations.
+	SCORE_MIN_PROFIT = 2, ///< The profit of the vehicle with the lowest income.
+	SCORE_MIN_INCOME = 3, ///< Income in the quater with the lowest profit of the last 12 quaters.
+	SCORE_MAX_INCOME = 4, ///< Income in the quater with the highest profit of the last 12 quaters.
+	SCORE_DELIVERED = 5, ///< Units of cargo delivered in the last four quaters.
+	SCORE_CARGO = 6, ///< Number of types of cargo delivered in the last four quaters.
+	SCORE_MONEY = 7, ///< Amount of money company has in the bank.
+	SCORE_LOAN = 8, ///< The amount of money company can take as a loan.
+	SCORE_TOTAL = 9, ///< Total points out of possible points ,must always be the last entry.
+	SCORE_END = 10, ///< Score ID end marker.
 };
 DECLARE_INCREMENT_DECREMENT_OPERATORS(ScoreID)