diff --git a/config/after/ftplugin/typst.lua b/config/after/ftplugin/typst.lua
index e4480d4..62d8cb3 100644
--- a/config/after/ftplugin/typst.lua
+++ b/config/after/ftplugin/typst.lua
@@ -1,6 +1,18 @@
-vim.api.nvim_create_user_command("OpenPdf", function()
-  local filepath = vim.fn.bufname()
-  if filepath:match("%.typ$") then
-    vim.ui.open(vim.fn.shellescape(filepath:gsub("%.typ$", ".pdf")), {})
+-- options ====================================================================
+
+vim.bo.textwidth = 80
+vim.bo.iskeyword = vim.bo.iskeyword .. ",_,*"
+
+-- commands ===================================================================
+
+vim.api.nvim_create_user_command("OpenPdf", function(opts)
+  local filepath = opts.nargs > 0 and opts.fargs[1] or vim.fn.bufname()
+  filepath = vim.fs.abspath(filepath)
+  if not filepath:match("%.typ$") then
+    vim.notify(("Not a typst file: %s"):format(filepath), vim.log.levels.ERROR)
+    return
   end
-end, {})
+  vim.ui.open(filepath:gsub("%.typ$", ".pdf"), {})
+end, {
+  nargs = 1,
+})