diff --git a/home/.config/nvim/coc.vim b/home/.config/nvim/coc.vim
index 944144e..d685182 100644
--- a/home/.config/nvim/coc.vim
+++ b/home/.config/nvim/coc.vim
@@ -1,4 +1,4 @@
-let g:coc_global_extensions = ['coc-json', 'coc-git', 'coc-clangd', 'coc-cmake', 'coc-css', 'coc-floaterm', 'coc-fzf-preview', 'coc-html', 'coc-json', 'coc-lists', 'coc-lua', 'coc-pyright', 'coc-rust-analyzer', 'coc-sh', 'coc-sql', ]
+let g:coc_global_extensions = ['coc-json', 'coc-git', 'coc-clangd', 'coc-cmake', 'coc-css', 'coc-floaterm', 'coc-fzf-preview', 'coc-html', 'coc-json', 'coc-lists', 'coc-lua', 'coc-pyright', 'coc-rust-analyzer', 'coc-sh', 'coc-sql', 'coc-markdownlint']
 
 " navigate between errors quickly
 nmap <silent> <C-k> <Plug>(coc-diagnostic-prev)