diff --git a/README.md b/README.md
index 7731ab7..acaa605 100644
--- a/README.md
+++ b/README.md
@@ -10,8 +10,9 @@ Javascript SDK for CloudEvents
 │   ├── jsonformatter.js
 │   ├── format
 │   │   └── json_0_1.js
-│   ├── spec_0_1.js
-│   └── spec_0_2.js
+│   └── specs
+│       ├── spec_0_1.js
+│       └── spec_0_2.js
 ├── LICENSE
 ├── package.json
 ├── README.md
@@ -25,13 +26,15 @@ Javascript SDK for CloudEvents
 
 * `lib/cloudevent.js`: implementation of Cloudevent, an interface
 
-* `lib/format`: every format implementation goes here
+* `lib/format/`: every format implementation goes here
 
 * `lib/format/json_0_1.js`: implementation for JSON formatting [version 0.1](https://github.com/cloudevents/spec/blob/v0.1/json-format.md)
 
-* `lib/spec_0_1.js`: implementation for spec [version 0.1](https://github.com/cloudevents/spec/blob/v0.1/spec.md)
+* `lib/specs/`: every spec implementation goes here
 
-* `lib/spec_0_2.js`: implementation for spec [version 0.2](https://github.com/cloudevents/spec/blob/master/spec.md)
+* `lib/specs/spec_0_1.js`: implementation for spec [version 0.1](https://github.com/cloudevents/spec/blob/v0.1/spec.md)
+
+* `lib/specs/spec_0_2.js`: implementation for spec [version 0.2](https://github.com/cloudevents/spec/blob/master/spec.md)
 
 * `test/cloudevent_spec_0_1.js`: unit testing for spec 0.1