diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..e33609d
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1 @@
+*.png
diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..f983aa5
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,11 @@
+# level-auto-index change log
+
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](http://keepachangelog.com/)
+and this project adheres to [Semantic Versioning](http://semver.org/).
+
+## 1.0.0
+
+* engage
+* Initial release
diff --git a/README.md b/README.md
index 323516f..99ffa17 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # level-auto-index
 
-Automatic secondary indexing for leveldb compatable with subleveldown.
+Automatic secondary indexing for leveldb and subleveldown.
 
 
 ```bash
@@ -125,3 +125,11 @@ function keyReducer (reducerString) {
 ```
 
 For a higher level api for creating secondary indexes see [hypermodules/level-idx](https://github.com/hypermodules/level-idx).
+
+## See Also
+
+This module is a variant of
+
+- [juliangruber/level-secondary](https://github.com/juliangruber/level-secondary)
+
+but aimed at decoupling the index storage fromt the indexd db and also being compatable with subleveldown.  It came out of the work trying to make `level-secondary` compatable with subleveldown and level-sublevel.  That work lives here: [github.com/bcomnes/level-secondary/commit/9b2f914e53](https://github.com/bcomnes/level-secondary/commit/9b2f914e5304c791813b39abf892c32ee7616abf).