add examples to options

Author: Kelly Selden

README.md

@@ -78,7 +78,7 @@ ember-cli-update --run-codemods
 | --resolve-conflicts | Automatically run git mergetool if conflicts found | Boolean | | false |
 | --run-codemods | Run codemods to help update your code | Boolean | | false |
 | --codemods-source | Supply your own codemods manifest via URL | String | "ember-app-codemods-manifest@*" "git+https://github.com/ember-cli/ember-app-codemods-manifest.git#semver:*" | |
-| --codemods-json | Supply your own codemods manifest via JSON | String | '{ /* json */ }' | |
+| --codemods-json | Supply your own codemods manifest via JSON | String | `{ /* json */ }` | |
 | --reset | Reset your code to the default blueprint at the new version | Boolean | | false |
 | --compare-only | Show the changes between different versions without updating | Boolean | | false |
 | --stats-only | Show all calculated values regarding your project | Boolean | | false |

src/args.js

@@ -4,7 +4,7 @@ module.exports = {
   'blueprint': {
     alias: ['b'],
     type: 'string',
-    description: 'Provide a custom blueprint for use in the update'
+    description: 'Provide a custom blueprint for use in the update ("@glimmer/blueprint", "git+https://[email protected]/tildeio/libkit.git", "../blueprint")'
   },
   'from': {
     type: 'string',
@@ -26,11 +26,11 @@ module.exports = {
   },
   'codemods-source': {
     type: 'string',
-    description: 'Supply your own codemods manifest via URL'
+    description: 'Supply your own codemods manifest via URL ("ember-app-codemods-manifest@*", "git+https://github.com/ember-cli/ember-app-codemods-manifest.git#semver:*")'
   },
   'codemods-json': {
     type: 'string',
-    description: 'Supply your own codemods manifest via JSON'
+    description: 'Supply your own codemods manifest via JSON (`{ /* json */ }`)'
   },
   'reset': {
     type: 'boolean',