diff --git a/neovim/dev.nix b/neovim/dev.nix
index 82ae95c..d96b1d2 100644
--- a/neovim/dev.nix
+++ b/neovim/dev.nix
@@ -11,7 +11,7 @@ let
         inherit pattern;
         opt = {
           colorcolumn = toString limit;
-          textwidth = limit;
+          textwidth = limit - 1;
         };
       };
 in