diff --git a/lua/custom/language_specific_commands/markdown_and_tex.lua b/lua/custom/language_specific_commands/markdown_and_tex.lua
index 2315948..b563224 100644
--- a/lua/custom/language_specific_commands/markdown_and_tex.lua
+++ b/lua/custom/language_specific_commands/markdown_and_tex.lua
@@ -1,24 +1,30 @@
--- Efficient Markdown/TeX + Nabla integration
-local grp = vim.api.nvim_create_augroup("MarkdownTexWithNabla", { clear = true })
+-- ~/.config/nvim/lua/custom/language_specific_commands/markdown_and_tex.lua
 
--- 1) Set buffer-local stuff ONCE (spell, textwidth, formatoptions, keymaps) on FileType
+local GRP = vim.api.nvim_create_augroup("MarkdownTexWithNabla", { clear = true })
+
+-- 1) Buffer-local settings: set ONCE per buffer
 vim.api.nvim_create_autocmd("FileType", {
-  group = grp,
+  group = GRP,
   pattern = { "markdown", "tex" },
   callback = function(args)
     local ft = vim.bo[args.buf].filetype
-    -- Buffer-local basics (only once per buffer)
+
+    -- Buffer-local basics
     vim.opt_local.spell = true
     vim.opt_local.spelllang = "en_us"
     vim.opt_local.formatoptions:append "t"
 
     if ft == "markdown" then
       vim.opt_local.textwidth = 60
-    else -- tex
+    else
       vim.opt_local.textwidth = 80
     end
 
-    -- Buffer-local Nabla keymaps (define once)
+    -- Buffer-local conceal (instead of window-local)
+    vim.opt_local.conceallevel = 2
+    vim.opt_local.concealcursor = "ic" -- reveal on hover in normal mode
+
+    -- Buffer-local Nabla keymaps (define once per buffer)
     if not vim.b[args.buf].nabla_keys then
       local ok_nabla, nabla = pcall(require, "nabla")
       if ok_nabla then
@@ -32,7 +38,8 @@ vim.api.nvim_create_autocmd("FileType", {
         vim.keymap.set("n", "<leader>mnp", function()
           nabla.popup()
         end, vim.tbl_extend("force", bufopts, { desc = "Nabla: popup under cursor" }))
-        -- Enable once initially and mark as active
+
+        -- initial enable
         nabla.enable_virt()
         vim.b[args.buf].nabla_enabled = true
       end
@@ -41,26 +48,13 @@ vim.api.nvim_create_autocmd("FileType", {
   end,
 })
 
--- 2) Window-local conceal settings (apply per window that views the buffer)
-vim.api.nvim_create_autocmd("BufWinEnter", {
-  group = grp,
-  callback = function(args)
-    local ft = vim.bo[args.buf].filetype
-    if ft ~= "markdown" and ft ~= "tex" then
-      return
-    end
-    -- Window-local: set each time the buffer is shown in a window
-    vim.wo[args.win].conceallevel = 2
-    vim.wo[args.win].concealcursor = "ic" -- reveal on hover in normal mode
-  end,
-})
-
--- 3) Re-enable Nabla only after writes (some tools clear virt text on save)
+-- 2) Re-enable Nabla virtual text after writes (if cleared)
 vim.api.nvim_create_autocmd("BufWritePost", {
-  group = grp,
+  group = GRP,
   pattern = { "*.md", "*.mdx", "*.markdown", "*.tex", "*.ltx" },
   callback = function(args)
-    if not vim.b[args.buf].nabla_enabled then
+    local ft = vim.bo[args.buf].filetype
+    if (ft ~= "markdown" and ft ~= "tex") or not vim.b[args.buf].nabla_enabled then
       return
     end
     local ok_nabla, nabla = pcall(require, "nabla")