diff --git a/calamares/etc/calamares/branding/openmamba/branding.desc b/calamares/etc/calamares/branding/openmamba/branding.desc
index 1894901..e5489f4 100644
--- a/calamares/etc/calamares/branding/openmamba/branding.desc
+++ b/calamares/etc/calamares/branding/openmamba/branding.desc
@@ -4,10 +4,10 @@ componentName:  openmamba
 strings:
     productName:         openmamba GNU/Linux
     shortProductName:    openmamba
-    version:             milestone3
-    shortVersion:        3.0
-    versionedName:       openmamba GNU/Linux milestone3 3.0
-    shortVersionedName:  openmamba 3.0
+    version:             milestone4
+    shortVersion:        4.0
+    versionedName:       openmamba GNU/Linux milestone4 4.0 for x86_64
+    shortVersionedName:  openmamba 4.0
     bootloaderEntryName: openmamba
     productUrl:          http://openmamba.org/
     supportUrl:          http://forum.openmamba.org/
@@ -22,6 +22,7 @@ images:
 slideshow:               "show.qml"
 
 style:
-   sidebarBackground:    "#CCE0C8"
+   sidebarBackground:    "#666666"
    sidebarText:          "#FFFFFF"
    sidebarTextSelect:    "#292F34"
+#   sidebarTextHighlight: "#D35400"