README.md in dockly-1.5.8 vs README.md in dockly-1.5.9

@@ -14,10 +14,12 @@
 
 Usage
 -----
 
 Once a `deb` block has been defined by the DSL below, dockly is invoked by either `bundle exec dockly build #{deb block name}` or `bundle exec rake dockly:deb:#{deb block name}`.
+If looking to just build a `docker` block, run either `bundle exec dockly docker #{docker block name}` or `bundle exec rake dockly:docker:#{docker block name}`.
+To build without exporting, run add either `--no-export` or `:noexport` to the CLI program or Rake task
 
 The DSL
 -------
 
 The DSL is broken down into multiple objects, all of which conform to a specific format. Each object starts with the name of the section,
@@ -140,9 +142,21 @@
     - description: the excon timeout for read and write when talking to docker through docker-api
 - `build_caches`
     - required: `false`
     - default: `[]`
     - description: a listing of references to build caches to run
+- `s3_bucket`
+    - required: `false`
+    - default: `nil`
+    - description: S3 bucket for where the docker image is exported
+- `s3_object_prefix`
+    - required: `false`
+    - default: `nil`
+    - description: prefix to be added to S3 exported docker images
+- `tar_diff`
+    - required: `false`
+    - default: `false`
+    - description: after docker export, performs a diff between the base image and the new image
 
 In addition to the above attributes, `docker` has the following references:
 
 - `build_cache`
     - required: `false`