Updated 5.10 to use 'start' instead of 'run' so the terminal is free for the next section.

5-Add-virtual-motors.md

@@ -371,10 +371,12 @@ Listening on port 33333
 ```
 </details>
 
-### 5.10 Run the IOC
+### 5.10 Start the IOC
+
+Start the IOC in a screen session so the terminal remains usable.
 
 ```
-$ ./softioc/xxx.sh run
+$ ./softioc/xxx.sh start
 ```
 
 The virtual motors should be usable now.