diff --git a/environments/storage-environment.yaml b/environments/storage-environment.yaml
index e1cafd2bd3..da33acfd9c 100644
--- a/environments/storage-environment.yaml
+++ b/environments/storage-environment.yaml
@@ -34,6 +34,8 @@ parameter_defaults:
   ## File system type of the mount
   # GlanceFilePcmkFstype: nfs
   ## Pacemaker mount point, e.g. '192.168.122.1:/export/glance' for NFS
+  ##  (If using IPv6, use both double- and single-quotes,
+  ##  e.g. "'[fdd0::1]:/export/glance'")
   # GlanceFilePcmkDevice: ''
   ## Options for the mount managed by Pacemaker
   # GlanceFilePcmkOptions: ''