docs: Fixed a typo.
See first comment for doc stage location.
diff --git a/docs/html/guide/index.jd b/docs/html/guide/index.jd
index d78a1b1..cb4f65c 100644
@@ -30,7 +30,7 @@
work in the background.</p>
<p>From one component you can start another component using an <em>intent</em>. You can even start
-a component in a different app, such an activity in a maps app to show an address. This model
+a component in a different app, such as an activity in a maps app to show an address. This model
provides multiple entry points for a single app and allows any app to behave as a user's "default"
for an action that other apps may invoke.</p>