SLING-8914 Add initial documentation
Add short description and link to documentation
diff --git a/README.md b/README.md
index 1c208a7..edcf8db 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,6 @@
This module is part of the [Apache Sling](https://sling.apache.org) project.
+This module contains a simple crypto API and an extensible but optional implementation based on Jasypt as well as an plugin for Felix Web Console to encrypt messages.
+
+See [Sling's documentation for Commons Crypto](https://sling.apache.org/documentation/bundles/commons-crypto.html) for details.
