diff --git a/nvim/lua/autocmd.lua b/nvim/lua/autocmd.lua
index bd7d8aa..55e1aaa 100644
--- a/nvim/lua/autocmd.lua
+++ b/nvim/lua/autocmd.lua
@@ -9,3 +9,6 @@ vim.api.nvim_command([[au FileType sql lua require'cmp'.setup.buffer {
     { name = 'buffer' },
   }}
 ]])
+
+-- word break and spelling in markdown files
+vim.api.nvim_command('au BufRead,BufNewFile *.md set spell lbr')
diff --git a/tmux/tmux.conf b/tmux/tmux.conf
index 70fd395..e44fb39 100644
--- a/tmux/tmux.conf
+++ b/tmux/tmux.conf
@@ -1,6 +1,7 @@
 set-option -g history-limit 100000
 set-option -g status off
 set-option -g focus-events on
+set-option -g detach-on-destroy off
 
 set -ga terminal-overrides ",*256col*:Tc"
 set -g mouse on