diff --git a/packages/cli/src/argparse.ts b/packages/cli/src/argparse.ts
index af08313eb..b6cdec98f 100644
--- a/packages/cli/src/argparse.ts
+++ b/packages/cli/src/argparse.ts
@@ -568,6 +568,31 @@ export const CLI_ARGS = {
         '     M+DnBHYb1fgw4N3oZ+5uTEAua5bAWkgTW/SjmmBhGGbJtjOtqVV+RrLJEJOgT35hBon4WKdGWye2vTdgqDo7+HIobwJwkQtN2YF9g3zPsKk=',
       group: 'Key Management',
     },
+    faucet: {
+      type: 'array',
+      items: [
+        {
+          name: 'address',
+          type: 'string',
+          realtype: 'address',
+          pattern: `${ADDRESS_PATTERN}|${STACKS_ADDRESS_PATTERN}`,
+        }
+      ],
+      minItems: 1,
+      maxItems: 1,
+      help:
+        'Encrypt a 12-word backup phrase, which can be decrypted later with the ' +
+        '`decrypt_backup_phrase` command.  The password will be prompted if not given.\n' +
+        '\n' +
+        'Example:\n' +
+        '\n' +
+        '     $ # password is "asdf"\n' +
+        '     $ blockstack-cli encrypt_keychain "section amount spend resemble spray verify night immune tattoo best emotion parrot"\n' +
+        '     Enter password:\n' +
+        '     Enter password again:\n' +
+        '     M+DnBHYb1fgw4N3oZ+5uTEAua5bAWkgTW/SjmmBhGGbJtjOtqVV+RrLJEJOgT35hBon4WKdGWye2vTdgqDo7+HIobwJwkQtN2YF9g3zPsKk=',
+      group: 'Key Management',
+    },
     gaia_dump_bucket: {
       type: 'array',
       items: [