Update README.md

Author: jayair

README.md

@@ -20,7 +20,7 @@ $ npx aws-api-gateway-cli-test
 
 If you have it globally installed:
 
-```
+``` bash
 $ apig-test \
   --username='johndoe' \
   --password='password' \
@@ -41,23 +41,8 @@ $ apig-test \
 
 If you have it locally installed:
 
-```
-$ npx aws-api-gateway-cli-test \
-  --username='johndoe' \
-  --password='password' \
-  --user-pool-id='us-east-1_Xxxxxxxx' \
-  --app-client-id='29xxyyxxyxxxyyxxxyy' \
-  --cognito-region='us-east-1' \
-  --identity-pool-id='us-east-1:99xxyyx-9999-9999-xx0x-99xxxxxxxx' \
-  --invoke-url='https://99xxxxxxx.execute-api.us-east-1.amazonaws.com' \
-  --api-gateway-region='us-east-1' \
-  --api-key='x3xaacea33DCDA3aqafae28aCdaeEWXX1ada3acx' \
-  --path-template='/users' \
-  --method='GET' \
-  --params='{}' \
-  --additional-params='{}' \
-  --access-token-header='cognito-access-token' \
-  --body='{}'
+``` bash
+$ npx aws-api-gateway-cli-test --options
 ```
 
 This command takes the following options: