diff --git a/_config/nvim/UltiSnips/plaintex.snippets b/_config/nvim/UltiSnips/plaintex.snippets
index 30b504d..97428e2 100644
--- a/_config/nvim/UltiSnips/plaintex.snippets
+++ b/_config/nvim/UltiSnips/plaintex.snippets
@@ -40,3 +40,10 @@ snippet multicols
 \end{multicols}
 endsnippet
 
+snippet newcommand
+\newcommand{$1}[$2]{$0}
+endsnippet
+
+snippet arraystretch
+\renewcommand*{\arraystretch}{$1}
+endsnippet