fix(instances): reword quickstart (#5927)

This fixes some wordings to accomodate with latest changes in the
Instances product.

Author: NoSuchCommand

pages/instances/quickstart.mdx

@@ -26,22 +26,22 @@ Scaleway [Instances](/instances/concepts/#instance) are computing units that pro
         - **Choose an Instance type**. <br />
           Instance offers vary in pricing, processing power, memory, storage, and bandwidth. [Discover the best Instance type for your needs](/instances/reference-content/choosing-instance-type/).
         - **Choose an image** to run on your Instance. <br />
-          This can be an operating system, an InstantApp, or a custom image. [Check all available Linux distributions and InstantApps](/instances/reference-content/images-and-instantapps/).
+          This can be an operating system, an InstantApp, or a custom image. [Check all available operating system images and InstantApps](/instances/reference-content/images-and-instantapps/).
         - **Name your Instance**, or leave the randomly-generated name in place. Optionally, you can add [tags](/instances/concepts/#tags) to help you organize your Instance.
         - **Add Volumes**, which are storage spaces used by your Instances. A block volume with a default name and 5,000 IOPS is automatically provided for your system volume. You can customize this volume and attach up to 16 local and/or block type volumes as needed.
           <Message type="important">
              - Ensure that the volume containing your OS image has a minimum size of 10 GB. For a GPU OS, the recommended size is 125 GB.
-             - When multiple Block Storage volumes are linked to your Instance, the primary volume will host the OS and is essential for booting the Instance. Once the Instance is created can [modify your boot volume](/instances/how-to/use-boot-modes/#how-to-change-the-boot-volume).
+             - When multiple Block Storage volumes are linked to your Instance, the primary volume will host the OS and is essential for booting the Instance. If needed, the boot volume can be changed after the creation of the Instance; [see how](/instances/how-to/use-boot-modes/#how-to-change-the-boot-volume).
              - Booting from a volume that either lacks an OS or is among multiple volumes with identical operating systems can lead to inconsistent boot outcomes.
           </Message>
         - **Configure network** of the Instance.
           - Leave the checkbox ticked to assign a **Public IPv4** to the Instance. You can either allocate a new IPv4 address or select one or multiple existing IPv4s. Alternatively, uncheck the box if you do not want an IPv4.
           - Leave the checkbox ticked to assign a **Public IPv6** to the Instance. You can either allocate a new IPv6 address or select one or multiple existing IPv6s. Alternatively, uncheck the box if you do not want an IPv6.
-            <Message type="tip">
-              You can attach up to 5 IPs to an Instance, combining IPv4 and IPv6 addresses, which is useful for running different services or applications on the same Instance.
+            <Message type="note">
+              You can attach up to 5 IPv4 and 5 IPv6 addresses to an Instance, which is useful for running different services or applications on the same Instance.
             </Message>
         - (Optional) Click **Cloud-init** to configure a [cloud-init configuration](/instances/concepts/#cloud-init). Otherwise, leave this option set to its default values.
-          You can configure a cloud-init script to automate Instance setup, such as setting up software, users, and system configurations at the first boot.
+          Cloud-init scripts are the standard way to automate Instance setup, such as setting up software, users, and system configurations at the first boot.
         - **Verify the [SSH keys](/organizations-and-projects/concepts/#ssh-key)** that will give you access to your Instance.
         - **Verify the Estimated cost** of your Instance, based on the specifications you chose.
     4. Click **Create Instance**. The creation of your Instance begins, and you will be informed when the Instance is ready.
@@ -58,7 +58,7 @@ Scaleway [Instances](/instances/concepts/#instance) are computing units that pro
     ```
 3. If / when prompted, allow connection to the host by typing `yes`, then press **Enter**.
     ```
-    The authenticity of host 'myhost.ext (212.47.226.35)' can't be established.
+    The authenticity of host 'myhost.ext (your_instance_ip)' can't be established.
     RSA key fingerprint is 4f:ba:65:cf:14:64:a7:1e:b6:07:7c:00:71:95:21:fa.
     Are you sure you want to continue connecting (yes/no)?
     ```
@@ -81,7 +81,7 @@ To connect to your Instance from Windows, you will need to use a small applicati
 
     You are now connected to your Instance.
 
-<Message type="tip">
+<Message type="note">
   For instructions on how to connect to Instances running Microsoft Windows Server OS, refer to our dedicated documentation [How to connect to Instances running Microsoft Windows Server OS](/instances/how-to/connect-to-instance/).
 </Message>