collectd.conf(5): Document the gRPC plugin.

[collectd.git] / README

diff --git a/README b/README
index 76b5487..5f24945 100644 (file)
--- a/README
+++ b/README
@@ -767,8 +767,7 @@ Prerequisites
 
   * libprotobuf-c, protoc-c (optional)
     Used by the `pinba' plugin to generate a parser for the network packets
-    sent by the Pinba PHP extension, and by the `write_riemann' plugin to
-    generate events to be sent to a Riemann server.
+    sent by the Pinba PHP extension.
     <http://code.google.com/p/protobuf-c/>
 
   * libpython (optional)
@@ -843,6 +842,10 @@ Prerequisites
      `varnish' plugin.
      <http://varnish-cache.org>
 
+  * riemann-c-client (optional)
+     For the `write_riemann' plugin.
+     <https://github.com/algernon/riemann-c-client>
+
 Configuring / Compiling / Installing
 ------------------------------------