diff --git a/iiab-network b/iiab-network
index f7c14e0b7..a938d5711 100755
--- a/iiab-network
+++ b/iiab-network
@@ -31,7 +31,9 @@ echo "" >> iiab-network.log
 if [ $OS == "centos" ] || [ $OS == "fedora" ]; then
     ls -la /etc/sys*/net*/ifcfg* >> iiab-network.log
 fi
+
 # Ubuntu desktop might be using NM - split out.
+# Paul Armstrong's Shell Style Guide: https://google.github.io/styleguide/shell.xml
 # if [ $(which nmcli) ]; then    # syntax fails when multiple lines returned
 # if [[ `which nmcli` ]]; then   # syntax also works
 if which nmcli; then             # syntax works great, with "grep -q" too!