readme: Update the application preview

Author: NickVolynkin

README.md

@@ -30,7 +30,7 @@ This example application allows users to create new layouts/modify existing layo
 1.  Create additional layouts if necessary. 
 1.  Close and restart the app.
     Click on grid records to switch between dashboard layouts you set up previously.
-    Press **Design Dashboard** or **Delete Dashboard** to modify or delete entries. 
+    Click **Design Dashboard** or **Delete Dashboard** to modify or delete entries. 
 
 ![DevExpress Dashboards for Delphi/C++Builder — Store Dashboard Layout Definitions in a Database](./images/vcl-dashboards-store-layout-template-database.gif)