diff --git a/packages/aws-cdk/lib/config.ts b/packages/aws-cdk/lib/config.ts
index f69dcd0cba70d..5606e65fd22f3 100644
--- a/packages/aws-cdk/lib/config.ts
+++ b/packages/aws-cdk/lib/config.ts
@@ -35,7 +35,7 @@ export function makeConfig(): CliConfig {
       'notices': { type: 'boolean', desc: 'Show relevant notices' },
       'no-color': { type: 'boolean', desc: 'Removes colors and other style from console output', default: false },
       'ci': { type: 'boolean', desc: 'Force CI detection. If CI=true then logs will be sent to stdout instead of stderr', default: DynamicValue.fromInline(() => process.env.CI !== undefined) },
-      'unstable': { type: 'array', desc: 'Opt in to specific unstable features. Can be specified multiple times.', default: [] },
+      'unstable': { type: 'array', desc: 'Opt in to unstable features. The flag indicates that the scope and API of a feature might still change. Otherwise the feature is generally production ready and fully supported. Can be specified multiple times.', default: [] },
     },
     commands: {
       'list': {
@@ -91,7 +91,7 @@ export function makeConfig(): CliConfig {
         },
       },
       gc: {
-        description: 'Garbage collect assets',
+        description: 'Garbage collect assets. Options detailed here: https://github.com/aws/aws-cdk/blob/main/packages/aws-cdk/README.md#cdk-gc',
         arg: {
           name: 'ENVIRONMENTS',
           variadic: true,
diff --git a/packages/aws-cdk/lib/parse-command-line-arguments.ts b/packages/aws-cdk/lib/parse-command-line-arguments.ts
index e570f0d972ed0..30379f899b104 100644
--- a/packages/aws-cdk/lib/parse-command-line-arguments.ts
+++ b/packages/aws-cdk/lib/parse-command-line-arguments.ts
@@ -145,7 +145,7 @@ export function parseCommandLineArguments(
     })
     .option('unstable', {
       type: 'array',
-      desc: 'Opt in to specific unstable features. Can be specified multiple times.',
+      desc: 'Opt in to unstable features. The flag indicates that the scope and API of a feature might still change. Otherwise the feature is generally production ready and fully supported. Can be specified multiple times.',
       default: [],
     })
     .command(['list [STACKS..]', 'ls  [STACKS..]'], 'Lists all stacks in the app', (yargs: Argv) =>
diff --git a/packages/aws-cdk/package.json b/packages/aws-cdk/package.json
index bfcc16e1ca09d..85db0da1aa673 100644
--- a/packages/aws-cdk/package.json
+++ b/packages/aws-cdk/package.json
@@ -7,7 +7,7 @@
   },
   "scripts": {
     "build": "cdk-build",
-    "yargs-gen": "yarn ts-node scripts/yargs-gen.ts",
+    "yargs-gen": "yarn ts-node --preferTsExts scripts/yargs-gen.ts",
     "watch": "cdk-watch",
     "lint": "cdk-lint",
     "pkglint": "pkglint -f",