diff --git a/README.rst b/README.rst
index ac7703f4..2042c5be 100644
--- a/README.rst
+++ b/README.rst
@@ -20,7 +20,7 @@ key exchange
   ``diffie-hellman-group1-sha1``, ``diffie-hellman-group14-sha1``
 
 signatures
-  ``ssh-rsa``, ``ssh-dss`` signaures
+  ``ssh-rsa``, ``ssh-dss``
 
 mac
   ``hmac-md5``, ``hmac-md5-96``, ``hmac-sha1``, ``hmac-sha1-96``
@@ -51,6 +51,12 @@ slf4j_ is required. bouncycastle_ is highly recommended and required for using s
 jzlib_ is required for using zlib compression.
 
 
+Help and discussion
+--------------------
+
+There is a `google group`_.
+
+
 Contributing
 ------------
 
@@ -64,3 +70,5 @@ Fork away!
 .. _bouncycastle: http://www.bouncycastle.org/java.html
 
 .. _jzlib: http://www.jcraft.com/jzlib/
+
+.. _`google group`: http://groups.google.com/group/sshj
diff --git a/buildfile b/buildfile
index 57818810..82da2b70 100644
--- a/buildfile
+++ b/buildfile
@@ -6,14 +6,14 @@ SLF4J_LOG4J = 'org.slf4j:slf4j-log4j12:jar:1.5.10'
 LOG4J = 'log4j:log4j:jar:1.2.15'
 SSHD = transitive('org.apache.sshd:sshd-core:jar:0.3.0')
 JCRAFT = 'com.jcraft:jzlib:jar:1.0.7'
-BC = 'org.bouncycastle:bcprov-jdk16:jar:1.45'
+BC = 'org.bouncycastle:bcprov-jdk15:jar:1.45'
 
 desc 'SSHv2 library for Java'
 define 'sshj', :version=>'0.1a', :group=>'sshj' do
     
-    compile.with SLF4J, LOG4J, SLF4J_LOG4J, BC, JCRAFT
+    compile.with(SLF4J, BC, JCRAFT).using(:target=>'1.5')
 
-    test.with SSHD, LOG4J, SLF4J, SLF4J_LOG4J
+    test.with(SSHD, LOG4J, SLF4J, SLF4J_LOG4J)
     
     package(:jar).exclude('**/examples')
     package(:sources).exclude('**/examples')