diff --git a/README.md b/README.md
index 8db2c567..81b12222 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # Maximum Awesome
 
 Config files for vim and tmux, lovingly tended by a small subculture of
-peace-loving hippies. Built for Mac OS X.
+peace-loving hippies. Built for macOS.
 
 ## What's in it?
 
diff --git a/vimrc b/vimrc
index ddb49fac..60ac564f 100644
--- a/vimrc
+++ b/vimrc
@@ -45,6 +45,8 @@ set tabstop=8                                                " actual tabs occup
 set wildignore=log/**,node_modules/**,target/**,tmp/**,*.rbc
 set wildmenu                                                 " show a navigable menu for tab completion
 set wildmode=longest,list,full
+set modelines=0                                              " Disable modeline as a security precaution
+set nomodeline
 
 " Enable basic mouse behavior such as resizing buffers.
 set mouse=a