Improve documentation

README.md

@@ -6,7 +6,8 @@ This Minetest mod adds dripstone to Minetest.
 
 ## Contribute
 
-You can contribute by making pull requests or by reaching out to me [on Matrix](https://matrix.to/#/@bram:matrix.directory).
+You can contribute by making pull requests or by reaching out to me
+[on Matrix](https://matrix.to/#/@bram:matrix.directory).
 
 ## Licensing
 

init.lua

@@ -1,10 +1,13 @@
 noordstar_dripstone = {
+    -- Nodes that the mod should consider as sources to extract water from
     water_nodes =
         { "default:river_water_source"
         , "default:water_source"
         , "mcl_core:water_source"
         , "mclx_core:river_water_source"
         }
+    
+    -- Nodes that the mod should consider as sources to extract lava from
     , lava_nodes =
         { "default:lava_source"
         , "mcl_core:lava_source"

mod.conf

@@ -3,4 +3,4 @@ description=Add stalactites and stalagmites to your game.
 author=Noordstar
 title=Noordstar Dripstone
 depends=
-optional_depends=default,mcl_cauldron,mcl_core
+optional_depends=default,mcl_cauldrons,mcl_core