lsp completion?

home/nvim/config.vim

@@ -17,6 +17,7 @@ set signcolumn=no
 set smartcase
 set softtabstop=2
 set spelllang=en_us,de_20
+set spellfile=~/.local/share/nvim/site/spell/till.utf-8.add
 set splitbelow
 set splitright
 set tabstop=2