diff --git a/docs/streaming-custom-receivers.md b/docs/streaming-custom-receivers.md
index 4e27d6559cf1e5673c3e1012be807bbe2e10d05a..3fb540c9fb560f42d4cc12c1f4cc89bfd7f6f92c 100644
--- a/docs/streaming-custom-receivers.md
+++ b/docs/streaming-custom-receivers.md
@@ -14,7 +14,7 @@ This starts with implementing [NetworkReceiver](api/streaming/index.html#org.apa
 The following is a simple socket text-stream receiver.
 
 {% highlight scala %}
-       class SocketTextStreamReceiver(host: String, port: Int(
+       class SocketTextStreamReceiver(host: String, port: Int)
          extends NetworkReceiver[String]
        {
          protected lazy val blocksGenerator: BlockGenerator =