diff --git a/lib/src/command/add.dart b/lib/src/command/add.dart
index 10a97487c..f3712cdf3 100644
--- a/lib/src/command/add.dart
+++ b/lib/src/command/add.dart
@@ -68,18 +68,18 @@ For example:
   * Add multiple dependencies:
     `$topLevelProgram pub add foo dev:bar`
   * Add a path dependency:
-    `$topLevelProgram pub add foo:{"path":"../foo"}`
+    `$topLevelProgram pub add 'foo:{"path":"../foo"}'`
   * Add a hosted dependency:
-    `$topLevelProgram pub add foo:{"hosted":"my-pub.dev"}`
+    `$topLevelProgram pub add 'foo:{"hosted":"my-pub.dev"}'`
   * Add an sdk dependency:
-    `$topLevelProgram pub add foo:{"sdk":"flutter"}`
+    `$topLevelProgram pub add 'foo:{"sdk":"flutter"}'`
   * Add a git dependency:
-    `$topLevelProgram pub add foo:{"git":"https://github.com/foo/foo"}`
+    `$topLevelProgram pub add 'foo:{"git":"https://github.com/foo/foo"}'`
   * Add a dependency override:
-    `$topLevelProgram pub add override:foo:1.0.0`
+    `$topLevelProgram pub add 'override:foo:1.0.0'`
   * Add a git dependency with a path and ref specified:
     `$topLevelProgram pub add \\
-      foo:{"git":{"url":"../foo.git","ref":"<branch>","path":"<subdir>"}}`''';
+      'foo:{"git":{"url":"../foo.git","ref":"<branch>","path":"<subdir>"}}'`''';
 
   @override
   String get argumentsDescription =>