Fix desktop file and prevent non-existent help handbook from populating the main handbook table of contents.

knetload/knetload.desktop

@@ -3,15 +3,21 @@ Encoding=UTF-8
 Type=Application
 Exec=knetload
 Icon=knetload
-DocPath=knetload/index.html
+# Restore the following key and remove this comment when a help handbook
+# is written. Disabling this key prevents populating the main handbook
+# table of contents with a non-existent document, which results in a
+# main handbook error message of
+# 'There is no documentation available for /xyz/index.html.'
+# Also disable this key when there exists only a useless template handbook.
+# DocPath=knetload/index.html
 Terminal=false
-Name=KNetLoad Network Monitor
-Name[et]=Võrgumonitor KNetLoad
-Name[it]=Monitor di rete KNetLoad
-Name[pt]=KNetLoad Monitor da Rede
-Name[pt_BR]=Monitor de Rede KNetLoad
+Name=KNetLoad
+Name[et]=KNetLoad
+Name[it]=KNetLoad
+Name[pt]=KNetLoad
+Name[pt_BR]=KNetLoad
 Name[sv]=Nätverksövervakare
-Name[ta]=KNetLoad வலைப்பின்னல் திரை
+Name[ta]=KNetLoad
 GenericName=Network Monitor
 GenericName[ar]=مراقب الشبكة
 GenericName[ca]=Monitor de la xarxa