X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=README;h=811c594cae9bd4748b1fbc0cd3b94e6be7bec805;hb=628d55ad16bf6f738e668f8a38113add70d29e93;hp=2ed8934fc92e43842dcab3ed7df8808bc5aa4bfb;hpb=a898c17330d9a2039bcdb8f7e6dbedba516a6cd8;p=collectd.git

diff --git a/README b/README
index 2ed8934f..811c594c 100644
--- a/README
+++ b/README
@@ -442,6 +442,10 @@ Features
 
   * Miscellaneous plugins:
 
+    - threshold
+      Checks values against configured thresholds and creates notifications if
+      values are out of bounds. See collectd-threshold(5) for details.
+
     - uuid
       Sets the hostname to an unique identifier. This is meant for setups
       where each client may migrate to another physical host, possibly going
@@ -569,8 +573,10 @@ Prerequisites
     <http://tangent.org/552/libmemcached.html>
 
   * libmodbus (optional)
-    Used by the `modbus' plugin to communicate with Modbus/TCP devices.
-    <https://launchpad.net/libmodbus>
+    Used by the “modbus” plugin to communicate with Modbus/TCP devices. The
+    “modbus” plugin works with version 2.0.3 of the library – due to frequent
+    API changes other versions may or may not compile cleanly.
+    <http://www.libmodbus.org/>
 
   * libmysqlclient (optional)
     Unsurprisingly used by the `mysql' plugin.