Add silver sand

helptexts.lua

@@ -124,6 +124,7 @@ local export_longdesc = {
 	["default:dirt"] = S("Dirt is found often directly under the surface and very common in many regions of the world. When exposed to sunlight, the surface of dirt may change, depending on its neighbors. It can be turned into soil for farming with a hoe."),
 	["default:sand"] = S("Sand is found in large quantities at beaches, but it occacionally appears in small chunks around the world."),
 	["default:desert_sand"] = S("Usually found in huge quantities at the surface of deserts. Members of the @1 group will slowly turn into dry shrubs when placed on desert sand. Desert sand can be turned into desert sand soil with a hoe.", groupname_flora),
+	["default:silver_sand"] = S("Silver sand can be found in cold biomes to form so-called cold deserts."),
 	["default:gravel"] = S("This block consists of a couple of loose stones and can't support itself. It is common only at the beaches of very cold regions, but it can be found in small quantities on the surface and underground."),
 	["default:clay"] = S("Clay is a rather soft material and it sometimes found in sand beaches."),
 	["default:sandstone"] = S("A pretty soft kind of stone. It is common below the surface of some grassland biomes."),