fix typos.

packages/api-utils/lib/namespace.js

@@ -38,12 +38,12 @@
 
 /**
  * Function creates a new namespace. Optionally `prototype` object may be
- * passed in which case namespace objects will inherit form it. Returned value
+ * passed, in which case namespace objects will inherit from it. Returned value
  * is a function that can be used to get access to the namespaced properties
  * for the passed object.
  * @examples
- *    const privates = Namespace();
- *    privates(myObject).secret = secret;
+ *    const ns = Namespace();
+ *    ns(myObject).secret = secret;
  */
 exports.Namespace = function Namespace(prototype) {
   prototype = prototype || Object.prototype;

packages/api-utils/tests/test-namespace.js

@@ -29,7 +29,7 @@ exports["test namespace overlays"] = function(assert) {
 
   object.foo = "baz";
   assert.equal(_(object).foo, "bar",
-               "property changes do not affect namsepaced properties");
+               "property changes do not affect namespaced properties");
 
   object.bar = "foo";
   assert.ok(!("bar" in _(object)),
@@ -64,7 +64,7 @@ exports["test multi namespace"] = function(assert) {
   assert.notEqual(n1(object).foo, n2(object).foo,
                   "object can have multiple namespaces");
   assert.equal(n1(object).bar, n2(object).bar,
-               "object can have matiching props in diff namespaces");
+               "object can have matching props in diff namespaces");
 };
 
 require("test").run(exports);