diff --git a/lua/telescope/_extensions/frecency.lua b/lua/telescope/_extensions/frecency.lua
index 16d8b0e..1400238 100644
--- a/lua/telescope/_extensions/frecency.lua
+++ b/lua/telescope/_extensions/frecency.lua
@@ -11,10 +11,12 @@ local entry_display = require "telescope.pickers.entry_display"
 local finders       = require "telescope.finders"
 local path          = require('telescope.path')
 local pickers       = require "telescope.pickers"
-local sorters       = require "telescope._extensions.frecency.sorter"
+local sorters       = require "telescope.sorters"
 local utils         = require('telescope.utils')
 
-local os_path_sep   = vim.loop.os_uname().sysname == "Windows" and "\\" or "/"
+
+-- local os_path_sep   = vim.loop.os_uname().sysname == "Windows" and "\\" or "/"
+local os_path_sep   = utils.get_separator()
 local show_scores   = false
 local db_client
 
@@ -56,6 +58,9 @@ local frecency = function(opts)
 
     display_items = show_scores and {{entry.score, "Directory"}} or {}
     table.insert(display_items, {filename, hl_filename})
+    if frecency_utils.string_ends(filename, '.lua') then
+      table.insert(display_items, create_tag_display("lua"))
+    end
 
     return displayer(display_items)
   end
diff --git a/lua/telescope/_extensions/frecency/sorter.lua b/lua/telescope/_extensions/frecency/sorter.lua
deleted file mode 100644
index d77c63d..0000000
--- a/lua/telescope/_extensions/frecency/sorter.lua
+++ /dev/null
@@ -1,47 +0,0 @@
-local sorters = require "telescope.sorters"
-local util    = require("telescope._extensions.frecency.util")
-
-local my_sorters = {}
-
-local substr_highlighter = function(_, prompt, display)
-  local highlights = {}
-  display = display:lower()
-
-  local search_terms = util.split(prompt, "%s")
-  local hl_start, hl_end
-
-  for _, word in pairs(search_terms) do
-    hl_start, hl_end = display:find(word, 1, true)
-    if hl_start then
-      table.insert(highlights, {start = hl_start, finish = hl_end})
-    end
-  end
-
-  return highlights
-end
-
-my_sorters.get_substr_matcher = function(opts)
-  opts = opts or {}
-
-  local substr = sorters:new()
-  substr.highlighter = substr_highlighter
-  substr.scoring_function = function(_, prompt, _, entry)
-    local display = entry.ordinal:lower()
-
-    local search_terms = util.split(prompt, "%s")
-    local matched = 0
-    local total_search_terms = 0
-    for _, word in pairs(search_terms) do
-      total_search_terms = total_search_terms + 1
-      if display:find(word, 1, true) then
-        matched = matched + 1
-      end
-    end
-
-    return matched == total_search_terms and entry.index or -1
-  end
-
-  return substr
-end
-
-return my_sorters