pve-gui.adoc: use level1 headers

diff --git a/pve-gui.adoc b/pve-gui.adoc
index 222d659856c36d0da8ebbc05953435b2645cae2c..3c43f60df9d5ca74002da6fd17e914e9903f11ea 100644 (file)
--- a/pve-gui.adoc
+++ b/pve-gui.adoc
@@ -65,7 +65,7 @@ The GUI has 3 sectors:
 
 
 Dataceter Level
-~~~~~~~~~~~~~~~
+---------------
 
 [thumbnail="gui-datacenter-search.png"]
 
@@ -99,7 +99,7 @@ If you like to have more information about this see the corresponding chapter.
 
 
 Node Level
-~~~~~~~~~~
+----------
 
 [thumbnail="gui-node-summary.png"]