diff --git a/sanoid.defaults.conf b/sanoid.defaults.conf
index a9ca382..589d4cd 100644
--- a/sanoid.defaults.conf
+++ b/sanoid.defaults.conf
@@ -108,5 +108,6 @@ yearly_warn = 0
 yearly_crit = 0
 
 # default limits for capacity checks (if set to 0, limit will not be checked)
+# for overriding these values one needs to specify them in a root pool section! ([tank]\n ...)
 capacity_warn = 80
 capacity_crit = 95