diff --git a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/AddResourceToDataset.ui.xml b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/AddResourceToDataset.ui.xml
index 419665c..108e98c 100644
--- a/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/AddResourceToDataset.ui.xml
+++ b/src/main/java/org/gcube/portlets/widgets/ckandatapublisherwidget/client/ui/resources/AddResourceToDataset.ui.xml
@@ -57,9 +57,11 @@
 						is required
 					</small>
 				</b:Legend>
-				
-				<b:Alert type="INFO" close="false">Only HTTPS URLs are allowed. 
-				If you have a desktop file upload it to Workspace and use the 'Public Link' facility to get its HTTPS URL</b:Alert>
+
+				<b:Alert type="INFO" close="false">The URL of the resource you are
+					publishing (only HTTPS URLs are allowed). If your resource is a file that you own on your
+					desktop, please upload that file to your workspace and generate a
+					public URL for that file.</b:Alert>
 
 				<b:ControlGroup ui:field="urlControlGroup">
 					<b:ControlLabel for="url" title="File url">
@@ -67,7 +69,7 @@
 						URL:
 					</b:ControlLabel>
 					<b:Controls>
-						<b:TextBox alternateSize="LARGE" 
+						<b:TextBox alternateSize="LARGE"
 							placeholder="https://example.com/image.jpg" b:id="url"
 							title="Product's title" ui:field="resourceUrlTextBox" />
 					</b:Controls>