update README
diff --git a/README.md b/README.md
index 1401f5c..d9b1c09 100644
--- a/README.md
+++ b/README.md
@@ -2,5 +2,6 @@
This module is part of the [Apache Sling](https://sling.apache.org) project.
-This bundle provides just the Sling bridging code, it requires the groovy-all bundle
-to be installed separately.
+This bundle provides just the Sling Scripting code. It requires the `groovy`, `groovy-json` and `groovy-templates` bundles to be installed separately.
+
+See chapter [Template engines](http://docs.groovy-lang.org/docs/groovy-latest/html/documentation/#_template_engines) in Groovy's documentation also.
