diff --git a/bootstrap.sh b/bootstrap.sh
index 80ebb77..7ffd502 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env zsh
+# vi: set expandtab ft=zsh tw=80 ts=2
 
 function cloneMacOSSystemRepo() {
   local repoUrl="${MACOS_SYSTEM_REPO_URL:-https://github.com/astzweig/macos-system.git}"
diff --git a/install.sh b/install.sh
index 81268f5..4137c8a 100755
--- a/install.sh
+++ b/install.sh
@@ -1,4 +1,5 @@
 #!/usr/bin/env zsh
+# vi: set expandtab ft=zsh tw=80 ts=2
 
 function ensureDocopts() {
   which docopts > /dev/null