diff --git a/vpnsetup.sh b/vpnsetup.sh
index ca46b59..633b338 100755
--- a/vpnsetup.sh
+++ b/vpnsetup.sh
@@ -198,6 +198,8 @@ apt-get -yq install fail2ban || exiterr2
 
 bigecho "Compiling and installing Libreswan..."
 
+# Note: DO NOT EDIT. To install a different Libreswan version,
+# run the upgrade scripts in this repo after install.
 SWAN_VER=3.22
 swan_file="libreswan-$SWAN_VER.tar.gz"
 swan_url1="https://github.com/libreswan/libreswan/archive/v$SWAN_VER.tar.gz"
diff --git a/vpnsetup_centos.sh b/vpnsetup_centos.sh
index e7b143a..0adb3cd 100755
--- a/vpnsetup_centos.sh
+++ b/vpnsetup_centos.sh
@@ -188,6 +188,8 @@ yum "$REPO1" -y install fail2ban || exiterr2
 
 bigecho "Compiling and installing Libreswan..."
 
+# Note: DO NOT EDIT. To install a different Libreswan version,
+# run the upgrade scripts in this repo after install.
 SWAN_VER=3.22
 swan_file="libreswan-$SWAN_VER.tar.gz"
 swan_url1="https://github.com/libreswan/libreswan/archive/v$SWAN_VER.tar.gz"