diff --git a/doc/kcontrol/desktopthemedetails/index.docbook b/doc/kcontrol/desktopthemedetails/index.docbook
--- a/doc/kcontrol/desktopthemedetails/index.docbook
+++ b/doc/kcontrol/desktopthemedetails/index.docbook
@@ -14,8 +14,8 @@
-2016-04-12
-Plasma 5.6
+2018-03-25
+Plasma 5.12
KDE
@@ -26,15 +26,22 @@
-A list of available themes is displayed in this dialog. Select a theme by clicking on an item in the list.
+A preview of available themes is displayed in this dialog. Select a theme by clicking on it.
Use the Get New Themes button to download additional themes from the Internet
or load a theme from file.
+The Remove button is enabled only for custom themes.
+
Since &plasma; 5.6 it is no longer possible to edit and customize individual components or items in a theme.
-The recommended tools to check, blend and test themes is the plasma-sdk package, the Theme Explorer specifically.
+The recommended tools to check, blend and test themes is the plasma-sdk package, the
+Plasma Theme Explorer specifically.
+
+If the plasma-sdk package is installed on your system, a button appears hovering a theme preview and
+lets you start the Plasma Theme Explorer.
+
For more technical information visit this page.