Update README.md

Author: Hironsan

README.md

@@ -23,7 +23,7 @@ You can try the [annotation demo](http://doccano.herokuapp.com).
 -   Mobile support
 -   Emoji :smile: support
 -   Dark theme
--   Rest API
+-   RESTful API
 
 ## Usage
 
@@ -75,8 +75,8 @@ Access <http://127.0.0.1:8000/>.
 
 | Service | Button |
 |---------|---|
-| AWS[^1] | [![Deploy to Azure](https://azuredeploy.net/deploybutton.svg)](https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fchakki-works%2Fdoccano%2Fmaster%2Fazuredeploy.json)  |
-| Azure   | [![AWS CloudFormation Launch Stack SVG Button](https://cdn.rawgit.com/buildkite/cloudformation-launch-stack-button-svg/master/launch-stack.svg)](https://console.aws.amazon.com/cloudformation/home?#/stacks/create/review?stackName=doccano&templateURL=https://s3-external-1.amazonaws.com/cf-templates-10vry9l3mp71r-us-east-1/2019290i9t-AppSGl1poo4j8qpq)  |
+| AWS[^1]   | [![AWS CloudFormation Launch Stack SVG Button](https://cdn.rawgit.com/buildkite/cloudformation-launch-stack-button-svg/master/launch-stack.svg)](https://console.aws.amazon.com/cloudformation/home?#/stacks/create/review?stackName=doccano&templateURL=https://s3-external-1.amazonaws.com/cf-templates-10vry9l3mp71r-us-east-1/2019290i9t-AppSGl1poo4j8qpq)  |
+| Azure | [![Deploy to Azure](https://azuredeploy.net/deploybutton.svg)](https://portal.azure.com/#create/Microsoft.Template/uri/https%3A%2F%2Fraw.githubusercontent.com%2Fchakki-works%2Fdoccano%2Fmaster%2Fazuredeploy.json)  |
 | GCP[^2] | [![GCP Cloud Run PNG Button](https://storage.googleapis.com/gweb-cloudblog-publish/images/run_on_google_cloud.max-300x300.png)](https://console.cloud.google.com/cloudshell/editor?shellonly=true&cloudshell_image=gcr.io/cloudrun/doccano&cloudshell_git_repo=https://github.com/chakki-works/doccano.git)  |
 | Heroku  | [![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://heroku.com/deploy)  |