diff --git a/nvim/lib/languages/javascript.vim b/nvim/lib/languages/javascript.vim
index d44f7d8..bf69ecb 100644
--- a/nvim/lib/languages/javascript.vim
+++ b/nvim/lib/languages/javascript.vim
@@ -15,4 +15,5 @@ call coc#config('prettier', {
 \ 'trailingComma': 'all',
 \ 'jsxBracketSameLine': v:true,
 \ 'eslintIntegration': v:true,
+\ 'disableSuccessMessage': v:true
 \ })
diff --git a/nvim/lib/languages/json.vim b/nvim/lib/languages/json.vim
index 1221f66..26ca88d 100644
--- a/nvim/lib/languages/json.vim
+++ b/nvim/lib/languages/json.vim
@@ -6,4 +6,4 @@ augroup END
 if !g:vim_ide | finish | endif
 
 call coc#add_extension('coc-json')
-let g:coc_filetypes += ['json']
+let g:coc_filetypes += ['json', 'json5']