Fix ServiceTypes, ExcludeServiceTypes, and DocPath desktop file entries to match XDG specifications

diff --git a/krename/krename.desktop b/krename/krename.desktop
index a8a763f..8a523a1 100644
--- a/krename/krename.desktop
+++ b/krename/krename.desktop
@@ -3,7 +3,7 @@
 Exec=krename -caption "%c" %i %m %U
 Icon=krename.png
 MiniIcon=krename.png
-DocPath=krename/index.html
+X-DocPath=krename/index.html
 Comment=A batch renamer
 Comment[de]=Ein Batch Umbenenner
 Terminal=false
diff --git a/krename/krename_dir.desktop b/krename/krename_dir.desktop
index f605f49..bc5ff11 100644
--- a/krename/krename_dir.desktop
+++ b/krename/krename_dir.desktop
@@ -1,7 +1,7 @@
 [Desktop Entry]
 Actions=Rename
 Encoding=UTF-8
-ServiceTypes=inode/directory
+X-TDE-ServiceTypes=inode/directory
 
 [Desktop Action Rename]
 Exec=krename -r %U
diff --git a/krename/krenameservicemenu.desktop b/krename/krenameservicemenu.desktop
index 608f1a4..0677e15 100644
--- a/krename/krenameservicemenu.desktop
+++ b/krename/krenameservicemenu.desktop
@@ -1,9 +1,9 @@
 [Desktop Entry]
 Encoding=UTF-8
-ServiceTypes=all/allfiles
+X-TDE-ServiceTypes=all/allfiles
 Actions=Rename
 
-ExcludeServiceTypes=kdedevice/*
+X-TDE-ExcludeServiceTypes=kdedevice/*
  
 [Desktop Action Rename]
 Name=Rename with KRename