Manual/Running-Jobs.md

@@ -2,7 +2,7 @@ Jobs are executed using the `minicoin run` command.
 
 `$ minicoin run test ubuntu2004`
 
-This starts the `ubuntu2004` machine if it's not already running, uploads the
+This starts the `ubuntu2004` machine if it's not already running (see note), uploads the
 `jobs/test` subdirectory to the machine, and then runs the `main.sh` script
 (if the guest is Linux or Mac; on Windows the `main.cmd` script).
 
@@ -23,6 +23,10 @@ on the correct directory.
 
 Jobs are by default executed on the guest as the `vagrant` user.
 
+*Note:* It is often a good idea to start the machine explicitly and let the file
+system syncing finish before running jobs. See the documentation on
+[managing virtual machines](Manual/Managing-Virtual-Machines) for relevant commands.
+
 # Job documentation
 
 For a list of available jobs, run