diff --git a/code/datums/ruins/icemoon.dm b/code/datums/ruins/icemoon.dm
index cc2190da30d..e07f6b436cf 100644
--- a/code/datums/ruins/icemoon.dm
+++ b/code/datums/ruins/icemoon.dm
@@ -70,6 +70,7 @@
 	id = "miningsite-underground"
 	description = "Who knew ladders could be so useful?"
 	suffix = "icemoon_underground_mining_site.dmm"
+	has_ceiling = FALSE
 	unpickable = TRUE
 */ // SKYRAT EDIT REMOVAL End
 // below ground only
diff --git a/code/modules/mapping/map_template.dm b/code/modules/mapping/map_template.dm
index 7539b0f8272..fded5c46e7b 100644
--- a/code/modules/mapping/map_template.dm
+++ b/code/modules/mapping/map_template.dm
@@ -21,9 +21,11 @@
 	var/list/created_atoms = list()
 	//make sure this list is accounted for/cleared if you request it from ssatoms!
 
-	// vars for automatic ceiling generation
+	///If true, any openspace turfs above the template will be replaced with ceiling_turf when loading. Should probably be FALSE for lower levels of multi-z ruins.
 	var/has_ceiling = FALSE
+	///What turf to replace openspace with when has_ceiling is true
 	var/turf/ceiling_turf = /turf/open/floor/plating
+	///What baseturfs to set when replacing openspace when has_ceiling is true
 	var/list/ceiling_baseturfs = list()
 
 /datum/map_template/New(path = null, rename = null, cache = FALSE)