Fix typo in driver page

"Comamnd property" => "Command property"

Author: Paul Chandler <pestilence669@users.noreply.github.com>

Closes #9578 from pestilence669/fix_spelling.

core/src/main/scala/org/apache/spark/deploy/mesos/ui/DriverPage.scala

@@ -46,7 +46,7 @@ private[ui] class DriverPage(parent: MesosClusterUI) extends WebUIPage("driver")
     val schedulerHeaders = Seq("Scheduler property", "Value")
     val commandEnvHeaders = Seq("Command environment variable", "Value")
     val launchedHeaders = Seq("Launched property", "Value")
-    val commandHeaders = Seq("Comamnd property", "Value")
+    val commandHeaders = Seq("Command property", "Value")
     val retryHeaders = Seq("Last failed status", "Next retry time", "Retry count")
     val driverDescription = Iterable.apply(driverState.description)
     val submissionState = Iterable.apply(driverState.submissionState)