fix(quick-start): add note what to do when flavor is not listed in VM launch form

content/cloud/quick-start/index.md

@@ -136,7 +136,7 @@ For details, refer to [the official documentation](https://docs.openstack.org/ho
 
   ![](images/instance_launch_source.png)
 
-4. Choose the size of your instance by selecting a flavor. Additional volumes for data can be attached later on.
+4. Choose the size of your instance by selecting a flavor. Additional volumes for data can be attached later on. The shown table sometimes won't list all flavors, so if you do not see some flavors in the table (flavors that you should have access to), try to use the search field (and enter few characters from its name). Other option is to use OpenStack CLI or some automation tool (like Terraform) to create instances.
 
   ![](images/instance_launch_flavor.png)