enhancing set-macaddress docu #2

Signed-off-by: Malte Janduda <mail@janduda.net>

docs/man/docker-run.1.md

@@ -189,7 +189,7 @@ and foreground Docker containers.
                                'host': use the host network stack inside the container.  Note: the host mode gives the container full access to local system services such as D-bus and is therefore considered insecure.
 
 **--mac-address**=*macaddress*
-   Set the MAC address for the container's ethernet device:
+   Set the MAC address for the container's Ethernet device:
     --mac-address=12:34:56:78:9a:bc
 
 Remember that the MAC address in an Ethernet network must be unique.

docs/sources/reference/run.md

@@ -140,7 +140,7 @@ example, `docker run ubuntu:14.04`.
                                   'container:<name|id>': reuses another container network stack
                                   'host': use the host network stack inside the container
     --add-host=""    : Add a line to /etc/hosts (host:IP)
-    --mac-address="" : Sets the container's ethernet device's MAC address
+    --mac-address="" : Sets the container's Ethernet device's MAC address
 
 By default, all containers have networking enabled and they can make any
 outgoing connections. The operator can completely disable networking