diff --git a/.vimrc b/.vimrc
index bc62b79..fad155a 100644
--- a/.vimrc
+++ b/.vimrc
@@ -14,6 +14,7 @@ set expandtab
 set tabstop=4
 set shiftwidth=4
 set softtabstop=4
+set textwidth=79
 set autoindent
 set mouse=a
 set hls is