Fix formatting error in crc start documentation

Author: kowen-rh

docs/source/topics/proc_starting-the-virtual-machine.adoc

@@ -5,11 +5,7 @@ The [command]`{bin} start` command starts the {prod} virtual machine and OpenShi
 
 .Prerequisites
 
-[NOTE]
-====
-To avoid networking-related issues, ensure that you are not connected to a VPN and that your network connection is reliable.
-====
-
+* To avoid networking-related issues, ensure that you are not connected to a VPN and that your network connection is reliable.
 * You set up the host machine through the [command]`{bin} setup` command.
 For more information, see link:{crc-gsg-url}#setting-up-codeready-containers_gsg[Setting up {prod}].
 * You have a valid OpenShift user pull secret.