diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..a67dca8
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,22 @@
+
+The MIT License (MIT)
+
+Copyright (c) 2018 GitHub, Inc. and contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/README.md b/README.md
index 162aa6d..db2223c 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,26 @@
 # upload-artifact
+
+This uploads artifacts from your build.
+
+# Usage
+
+See [action.yml](action.yml)
+
+Basic:
+```yaml
+actions:
+- uses: actions/checkout@master
+
+- run: mkdir -p path/to/artifact
+
+- run: echo hello > path/to/artifact/world.txt
+
+- uses: actions/upload-artifact@master
+  with:
+    name: my-artifact
+    path: path/to/artifact
+```
+
+# License
+
+The scripts and documentation in this project are released under the [MIT License](LICENSE)
diff --git a/action.yml b/action.yml
index 6d011cc..28255db 100644
--- a/action.yml
+++ b/action.yml
@@ -7,5 +7,6 @@ inputs:
     required: true
   path:
     description: 'Directory containing files to upload'
+    required: true
 runs:
   plugin: 'publish'