Formatting cleanups, doc updates and whatnot

Change-Id: Ica8298353be22f947c8e8a03d8dc29ded9cb26dd
diff --git a/lib/tls b/lib/tls
index fb8f4b9..f7dcffa 100644
--- a/lib/tls
+++ b/lib/tls
@@ -21,6 +21,9 @@
 # start_tls_proxy HOST_IP 5000 localhost 5000
 
 
+# Defaults
+# --------
+
 if is_service_enabled tls-proxy; then
     # TODO(dtroyer): revisit this below after the search for HOST_IP has been done
     TLS_IP=${TLS_IP:-$SERVICE_IP}
@@ -317,6 +320,7 @@
     stud $STUD_PROTO -f $f_host,$f_port -b $b_host,$b_port $DEVSTACK_CERT 2>/dev/null
 }
 
+
 # Local variables:
 # mode: shell-script
 # End: