Document fortress maintenance cost in info Hvy-Plastic

diff --git a/info/Hvy-Plastic.t b/info/Hvy-Plastic.t
index 92b635ff30fced36924160fc9683a16bc79c1624..b1aea5d7ccdd45862797bba7fd594be46450c881 100644 (file)
--- a/info/Hvy-Plastic.t
+++ b/info/Hvy-Plastic.t
@@ -21,6 +21,8 @@ command?
 .s1
 Infrastructure is disabled.
 .s1
 .s1
 Infrastructure is disabled.
 .s1

+Fortresses cost maintenance, like capitals.
+.s1

 Your refineries make less petrol from each barrel of oil than usual.
 .s1
 Natural resources gold, oil and uran deplete much slower than usual.
 Your refineries make less petrol from each barrel of oil than usual.
 .s1
 Natural resources gold, oil and uran deplete much slower than usual.