Update index.md

Added information "Resizing your Linode preserves all your data, and you keep your current IP address."

Author: brianjaikens

docs/guides/platform/disk-images/resizing-a-linode/index.md

@@ -29,6 +29,8 @@ We make it easy to upgrade or downgrade your Linode by changing plans and adding
 
 - The Linode remains powered off during the entire resize process. After the resize completes, the Linode returns to its previous power state.
 
+- Resizing your Linode preserves all your data, and you keep your current IP address.
+
 ## Resizing a Linode
 
 Here's how to resize your Linode to a different plan:
@@ -101,4 +103,4 @@ For help deciding on a plan type, review the [Choosing a Compute Instance Type a
 
 To switch to a different plan type, follow the instructions outlined within [Resizing a Linode](#resizing-a-linode). When choosing the plan, select the tab that corresponds with your desired plan type.
 
-![](select-plan-type-tab.png)
+![](select-plan-type-tab.png)