diff --git a/.config/nvim/UltiSnips/tex.snippets b/.config/nvim/UltiSnips/tex.snippets
index 7a08259..52a1bd7 100644
--- a/.config/nvim/UltiSnips/tex.snippets
+++ b/.config/nvim/UltiSnips/tex.snippets
@@ -113,3 +113,8 @@ endsnippet
 snippet ,tt "Typewriter" A
 \texttt{$1} $2
 endsnippet
+
+snippet ,par "Paragraph" A
+\paragraph*{$1}
+$2
+endsnippet
diff --git a/.config/nvim/init.vim b/.config/nvim/init.vim
index 0cf136c..15b87a0 100644
--- a/.config/nvim/init.vim
+++ b/.config/nvim/init.vim
@@ -101,6 +101,12 @@ set encoding=utf-8
 " Show relative numbers on left side
 set number relativenumber
 
+" enable persistent undo
+if has('persistent_undo')
+    set undofile
+    set undodir=$XDG_CACHE_HOME/vim/undo
+endif
+
 " Colorscheme
 colorscheme codedark
 highlight CursorLine ctermbg=Yellow cterm=bold guibg=#1b1b1b