diff --git a/README.md b/README.md
index 841c533fa..7bb37bdb4 100644
--- a/README.md
+++ b/README.md
@@ -157,11 +157,18 @@ class { 'collectd::plugin::conntrack':
 ```
 
 ####Class: `collectd::plugin::cpu`
+
+ * `reportbystate` available from collectd version >= 5.5
+ * `reportbycpu` available from collectd version >= 5.5
+ * `valuespercentage` available from collectd version >= 5.5
+
+ See [collectd plugin_cpu documentation](https://collectd.org/documentation/manpages/collectd.conf.5.shtml#plugin_cpu) for more details.
+
+```puppet
+class { 'collectd::plugin::cpu':
   reportbystate => true,
   reportbycpu => true,
   valuespercentage => true,
-```puppet
-class { 'collectd::plugin::cpu':
 }