* README: Remove unneeded double '/'

git-svn-id: https://svn.apache.org/repos/asf/serf/trunk@1764936 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/README b/README
index 5e972ea..b0a854f 100644
--- a/README
+++ b/README
@@ -5,7 +5,7 @@
 read/write communication asynchronously. Memory copies and transformations are
 kept to a minimum to provide high performance operation.
 
-  * Site: http://serf.apache.org//
+  * Site: http://serf.apache.org/
   * Code: http://svn.apache.org/repos/asf/serf/
   * Issues: https://issues.apache.org/jira/browse/SERF
   * Mail: dev@serf.apache.org