Touch up docstrings

.ldoc/config.luadoc

@@ -41,13 +41,15 @@
 --  {
 --    "nodes" :
 --    {
---      "remove" : [
+--      "remove" :
+--      [
 --        "old:node_1",
 --        "old:node_2",
 --      ],
---      "replace" : {
+--      "replace" :
+--      {
 --        "old:node_3" : "new:node_1",
 --        "old:node_4" : "new:node_2",
---      }
+--      },
 --    },
 --  }

api.lua

@@ -141,7 +141,7 @@ function cleaner.register_node_replacement(src, tgt)
 end
 
 
---- Unsafe methods.
+--- Unsafe Methods.
 --
 --  Enabled with [cleaner.unsafe](settings.html#cleaner.unsafe) setting.
 --

chat.lua

@@ -520,7 +520,7 @@ core.register_chatcommand(cmd_repo.near_node.cmd, {
 })
 
 
---- Unsafe commands.
+--- Unsafe Commands.
 --
 --  Enabled with [cleaner.unsafe](settings.html#cleaner.unsafe) setting.
 --
@@ -568,7 +568,7 @@ end
 --- @section end
 
 
---- Manages settings for wielded cleaner tool.
+--- Manages settings for wielded [cleaner tool](tools.html).
 --
 --  @chatcmd ctool
 --  @param action Action to execute. Can be "status", "setmode", or "setnode".