Update README.md

Author: janbender

README.md

@@ -15,7 +15,8 @@ The included project file was made with Visual Studio 2015. You have to adapt th
 1. Download the latest release and extract the zip into C:\Program Files\Corel\CorelDRAW Graphics Suite X8\Programs64\Addons to install the addon.
 2. Right-click and open "Properties" for each DLL file in the folder. If you see the following text, you have to unblock the file:
 "Security: This file came from another computer and might be blocked to help protect this computer."
-3. If you have a better solution for step 2, write me an email ;-)
+3. Activate docker window "Latex" in the menu "Windows".
+4. If you have a better solution for step 2, write me an email ;-)
 
 ## Screenshots