Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsNetwork.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsNetwork.cpp	(revision 42253)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsNetwork.cpp	(revision 42254)
@@ -220,5 +220,5 @@
     if (m_pMACEditor->text().size() < 12)
     {
-        strWarning = tr("the value of the Mac address field in not complete.");
+        strWarning = tr("the value of the MAC address field in not complete.");
         fValid = false;
     }
@@ -228,5 +228,5 @@
         if (!validator.exactMatch(m_pMACEditor->text()))
         {
-            strWarning = tr("the second digit cannot be odd, as only unicast Mac addresses allowed.");
+            strWarning = tr("the second digit cannot be odd, as only unicast MAC addresses allowed.");
             fValid = false;
         }
Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsNetwork.ui
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsNetwork.ui	(revision 42253)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsNetwork.ui	(revision 42254)
@@ -190,5 +190,5 @@
        <widget class="QLabel" name="m_pMACLabel">
         <property name="text">
-         <string>&amp;Mac Address:</string>
+         <string>&amp;MAC Address:</string>
         </property>
         <property name="alignment">