Added reference to the private mailing list.
diff --git a/src/main/docgen/docgen.cjson b/src/main/docgen/docgen.cjson
index a0344e6..c77d6f2 100644
--- a/src/main/docgen/docgen.cjson
+++ b/src/main/docgen/docgen.cjson
@@ -76,6 +76,7 @@
githubMirrorSite: "https://github.com/apache/incubator-freemarker-site"
githubProject: "olink:githubMirrorFreemarker"
githubProjectOld: "https://github.com/freemarker/"
+ privateMailingList: "mailto:private@freemarker.incubator.apache.org"
devMailingList: "mailto:dev@freemarker.incubator.apache.org"
devMailingListSubscribe: "mailto:dev-subscribe@freemarker.incubator.apache.org"
devMailingListUnsubscribe: "mailto:dev-unsubscribe@freemarker.incubator.apache.org"