README: mention 3 missing plugins

diff --git a/README b/README
index c3c9dee..bd080a1 100644 (file)
--- a/README
+++ b/README
@@ -51,6 +51,9 @@ Features
     - cgroups
       CPU accounting information for process groups under Linux.
 
+    - chrony
+      Chrony daemon statistics: Local clock drift, offset to peers, etc.
+
     - conntrack
       Number of nf_conntrack entries.
 
@@ -385,6 +388,9 @@ Features
     - wireless
       Link quality of wireless cards. Linux only.
 
+    - xencpu
+      XEN Hypervisor CPU stats.
+
     - xmms
       Bitrate and frequency of music played with XMMS.
 
@@ -505,6 +511,9 @@ Features
       Send an E-mail with the notification message to the configured
       recipients.
 
+    - notify_nagios
+      Submit notifications as passive check results to a local nagios instance.
+
     - exec
       Execute a program or script to handle the notification.
       See collectd-exec(5).