diff --git a/nix/home/programs/nvim/nvim-lspconfig.lua b/nix/home/programs/nvim/nvim-lspconfig.lua
index c86c06f..d1377c6 100644
--- a/nix/home/programs/nvim/nvim-lspconfig.lua
+++ b/nix/home/programs/nvim/nvim-lspconfig.lua
@@ -82,8 +82,8 @@ nvim_lsp.diagnosticls.setup {
           security = 'severity'
         },
         securities = {
-          [2] = 'error',
-          [1] = 'warning'
+          [1] = 'error',
+          [2] = 'warning'
         }
       },
       markdownlint = {
@@ -131,6 +131,11 @@ nvim_lsp.diagnosticls.setup {
       scss = 'prettier',
       typescript = 'prettier',
       typescriptreact = 'prettier',
+      markdown = 'prettier',
+      -- This implies that you have installed a prisma-supporting plugin for
+      -- prettier. You could instead configure this formatter to be `npx prisma format`
+      -- directly, but that command doesn't seem to output in the way this
+      -- diagnostic server expects.
       prisma = 'prettier'
     }
   }