IBX-8792: Ibexa Engage - fixes (#2472)

* Description fixed

* Screenshot added

* Fixes after review

Author: julitafalcondusza

docs/ibexa_engage/create_campaign.md

@@ -24,13 +24,21 @@ For more information about publication channels, see [Publication channel]([[= u
 
 You can add [Campaign block]([[= user_doc =]]/content_management/block_reference/#campaign-block) in Page Builder to display campaign on the Landing Page.
 
-To select campaign, go to **Properties** tab -> **Campaign** and choose campaign from the drop-down list. This list includes all campaigns available on user's Qualifio account which are active or scheduled to launch in the future.
+To select campaign, go to **Properties** tab. From the **Campaign** drop-down, choose campaign.
+This list includes all campaigns available on user's Qualifio account which are active or scheduled to launch in the future.
+
+You can set the dimensions of the field in which the campaign is displayed. To do it, insert width and height values in the proper fields.
+If size fields are blank, the system sets default template values. It's recommended to adjust them for better results.
 
 ![Campaign block](campaign_block.png "Campaign block")
 
 ## Embed campaign in the Rich text field
 
 You can embed campaign in the Rich text field with Campaign custom tag.
-To do it, insert campaign content item in the Rich Text Field and paste Campaign URL.
+To do it, insert **Campaign** content item in the Rich Text Field and choose campaign from the drop-down list.
+This list includes all campaigns available on user's Qualifio account which are active or scheduled to launch in the future.
+
+You can set the dimensions of the field in which the campaign is displayed. To do it, select units, and provide width and height values in the proper fields.
+If size fields are blank, the system sets default template values. It's recommended to adjust them for better results.
 
 ![Campaign custom tag](campaign_custom_tag.png "Campaign custom tag")