diff --git a/lua/plugins/astrocore.lua b/lua/plugins/astrocore.lua
index f786291..03d7441 100644
--- a/lua/plugins/astrocore.lua
+++ b/lua/plugins/astrocore.lua
@@ -24,6 +24,19 @@ return {
       virtual_text = true,
       underline = true,
     },
+    -- passed to `vim.filetype.add`
+    filetypes = {
+      -- see `:h vim.filetype.add` for usage
+      extension = {
+        foo = "fooscript",
+      },
+      filename = {
+        [".foorc"] = "fooscript",
+      },
+      pattern = {
+        [".*/etc/foo/.*"] = "fooscript",
+      },
+    },
     -- vim options can be configured here
     options = {
       opt = { -- vim.opt.<key>
diff --git a/lua/polish.lua b/lua/polish.lua
index 5b65b7d..642719f 100644
--- a/lua/polish.lua
+++ b/lua/polish.lua
@@ -1,18 +1,5 @@
 if true then return end -- WARN: REMOVE THIS LINE TO ACTIVATE THIS FILE
 
--- This will run last in the setup process and is a good place to configure
--- things like custom filetypes. This is just pure lua so anything that doesn't
+-- This will run last in the setup process.
+-- This is just pure lua so anything that doesn't
 -- fit in the normal config locations above can go here
-
--- Set up custom filetypes
-vim.filetype.add {
-  extension = {
-    foo = "fooscript",
-  },
-  filename = {
-    ["Foofile"] = "fooscript",
-  },
-  pattern = {
-    ["~/%.config/foo/.*"] = "fooscript",
-  },
-}