Doc change: change plus community for ldp.

Change-Id: I4dd149f2e2521f79d526dd89c08afb794fc83361
diff --git a/docs/html/preview/support.jd b/docs/html/preview/support.jd
index 8efc4bc..9d7844b 100644
--- a/docs/html/preview/support.jd
+++ b/docs/html/preview/support.jd
@@ -7,7 +7,7 @@
 our issue tracker.</p>
 
 <p>For more support,
-<a href="https://plus.google.com/communities/113159138894928487684">join
+<a href="https://plus.google.com/communities/101985907812750684586">join
 the L Developer Preview Google+ community</a> to discuss your development experiences.