Document 'highly unstable' mapgens instead of 'stable' mapgens (#8404)

diff --git a/builtin/settingtypes.txt b/builtin/settingtypes.txt
index 5d68007e332585522a1816bf1fd46717bd622dc2..6ca2650762909a1081d2c39039172f658cd0ce12 100644 (file)
--- a/builtin/settingtypes.txt
+++ b/builtin/settingtypes.txt
@@ -1327,10 +1327,8 @@ profiler_print_interval (Engine profiling data print interval) int 0
 
 #    Name of map generator to be used when creating a new world.
 #    Creating a world in the main menu will override this.
-#    Current stable mapgens:
-#    v5, v6, v7 (except floatlands), singlenode.
-#    'stable' means the terrain shape in an existing world will not be changed
-#    in the future. Note that biomes are defined by games and may still change.
+#    Current mapgens in a highly unstable state:
+#    -    The optional floatlands of v7 (disabled by default).
 mg_name (Mapgen name) enum v7 v5,v6,v7,valleys,carpathian,fractal,flat,singlenode
 
 #    Water surface level of the world.