diff --git a/files/dotfiles/nvim/coc-settings.json b/files/dotfiles/nvim/coc-settings.json
new file mode 100644
index 0000000..4202505
--- /dev/null
+++ b/files/dotfiles/nvim/coc-settings.json
@@ -0,0 +1,11 @@
+{
+    "coc.preferences.formatOnSaveFiletypes": [
+        "rst",
+        "javascript",
+        "python",
+        "json",
+        "yaml"
+    ],
+    "python.jediEnabled": false,
+    "python.formatting.provider": "black"
+}
diff --git a/files/dotfiles/nvim/general/mappings.vim b/files/dotfiles/nvim/general/mappings.vim
index 2dd42de..c760fb1 100644
--- a/files/dotfiles/nvim/general/mappings.vim
+++ b/files/dotfiles/nvim/general/mappings.vim
@@ -8,3 +8,5 @@
 vmap < <gv
 vmap > >gv
 
+" Automatically spell check last error in insert mode
+inoremap <C-l> <c-g>u<Esc>[s1z=`]a<c-g>u
diff --git a/files/dotfiles/nvim/general/settings.vim b/files/dotfiles/nvim/general/settings.vim
index f18fe46..256036a 100644
--- a/files/dotfiles/nvim/general/settings.vim
+++ b/files/dotfiles/nvim/general/settings.vim
@@ -49,7 +49,7 @@ set smartcase                           " Override ignorecase if search patern c
 set wildmenu                            " Enable wildmenu
 
 set spell                               " Enable spell checking
-set spelllang=fr
+set spelllang=fr,en
 
 "set autochdir                           " Your working directory will always be the same as your working directory
 
diff --git a/files/dotfiles/nvim/plug-config/vimtex.vim b/files/dotfiles/nvim/plug-config/vimtex.vim
index eabf8fe..210236f 100644
--- a/files/dotfiles/nvim/plug-config/vimtex.vim
+++ b/files/dotfiles/nvim/plug-config/vimtex.vim
@@ -1,6 +1,7 @@
 let maplocalleader = "\<Space>"
 
 let g:tex_conceal = ""
+set conceallevel=0
 
 let g:vimtex_compiler_latexmk = {
             \ 'backend' : 'nvim',