diff --git a/docs/running-on-mesos.md b/docs/running-on-mesos.md
index a15d19842b5e8..0e5a20c578db3 100644
--- a/docs/running-on-mesos.md
+++ b/docs/running-on-mesos.md
@@ -545,7 +545,7 @@ See the [configuration page](configuration.html) for information on Spark config
     of key-value pairs, where each key-value pair has the format key:value.
     Example:
 
-    <pre>key1=val1,key2=val2</pre>
+    <pre>key1:val1,key2:val2</pre>
     See
     <a href="http://mesos.apache.org/documentation/latest/cni/#mesos-meta-data-to-cni-plugins">the Mesos CNI docs</a>
     for more details.
diff --git a/resource-managers/mesos/src/main/scala/org/apache/spark/deploy/mesos/config.scala b/resource-managers/mesos/src/main/scala/org/apache/spark/deploy/mesos/config.scala
index c1d3990124a94..e9a8f449934b7 100644
--- a/resource-managers/mesos/src/main/scala/org/apache/spark/deploy/mesos/config.scala
+++ b/resource-managers/mesos/src/main/scala/org/apache/spark/deploy/mesos/config.scala
@@ -71,6 +71,13 @@ package object config {
       .doubleConf
       .createWithDefault(0.0)
 
+  private [spark] val NETWORK_NAME =
+    ConfigBuilder("spark.mesos.network.name")
+      .doc("Attach containers to the given named network. If this job is launched " +
+        "in cluster mode, also launch the driver in the given named network.")
+      .stringConf
+      .createOptional
+
   private [spark] val NETWORK_LABELS =
     ConfigBuilder("spark.mesos.network.labels")
       .doc("Network labels to pass to CNI plugins.  This is a comma-separated list " +
diff --git a/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosCoarseGrainedSchedulerBackend.scala b/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosCoarseGrainedSchedulerBackend.scala
index e6b09572121d6..b2daeaa8d2141 100644
--- a/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosCoarseGrainedSchedulerBackend.scala
+++ b/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosCoarseGrainedSchedulerBackend.scala
@@ -668,7 +668,7 @@ private[spark] class MesosCoarseGrainedSchedulerBackend(
   }
 
   private def executorHostname(offer: Offer): String = {
-    if (sc.conf.getOption("spark.mesos.network.name").isDefined) {
+    if (sc.conf.get(NETWORK_NAME).isDefined) {
       // The agent's IP is not visible in a CNI container, so we bind to 0.0.0.0
       "0.0.0.0"
     } else {
diff --git a/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackendUtil.scala b/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackendUtil.scala
index a9226de7074b5..e5c1e801f2772 100644
--- a/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackendUtil.scala
+++ b/resource-managers/mesos/src/main/scala/org/apache/spark/scheduler/cluster/mesos/MesosSchedulerBackendUtil.scala
@@ -21,7 +21,7 @@ import org.apache.mesos.Protos.{ContainerInfo, Image, NetworkInfo, Parameter, Vo
 import org.apache.mesos.Protos.ContainerInfo.{DockerInfo, MesosInfo}
 
 import org.apache.spark.{SparkConf, SparkException}
-import org.apache.spark.deploy.mesos.config._
+import org.apache.spark.deploy.mesos.config.{NETWORK_LABELS, NETWORK_NAME}
 import org.apache.spark.internal.Logging
 
 /**
@@ -162,7 +162,7 @@ private[mesos] object MesosSchedulerBackendUtil extends Logging {
       volumes.foreach(_.foreach(containerInfo.addVolumes(_)))
     }
 
-    conf.getOption("spark.mesos.network.name").map { name =>
+    conf.get(NETWORK_NAME).map { name =>
       val networkLabels = MesosProtoUtils.mesosLabels(conf.get(NETWORK_LABELS).getOrElse(""))
       val info = NetworkInfo.newBuilder()
         .setName(name)