Added note about https

Author: ljwalker

content/coll_manager/images/url_upload/_index.en.md

@@ -1,7 +1,7 @@
 ---
 title: "Image URL Upload"
 date: 2023-10-31
-lastmod: 2023-10-31
+lastmod: 2024-08-08
 weight: 10
 authors: ["Katie Pearson"]
 editors: ["Lindsay Walker"]
@@ -22,6 +22,10 @@ keywords: ["images"]
   7. If you would like to create a new record for each identifier that does not match an existing identifier in the system, check the box labeled "Link image to new blank record if catalog number does not exist."
   8. Click the Import Data button.
 
+{{< notice tip >}}
+  When providing images via URLs, the URLs should begin with "**https://**" (not "http://") in order for them to display correctly in various browsers. This is especially important for thumbnail images.
+{{</ notice >}}
+
 ### Setting Up an Image Import File
 A template for this upload type can be found [here](https://biokic.github.io/symbiota-docs/documents/GeneralResourceUploadTemplate.xlsx).
 
@@ -55,4 +59,4 @@ Optional fields are listed in the table below.
 | sortOccurrence                          | Integer (11)                               | The sort order of the image as it will appear on the page related to the occurrence record. Lower numbers will be displayed before higher numbers.|
 | sourceIdentifier                          | Text (150)                               | A unique identifier belonging to the image or media item provided by the source of the media item. |
 | thumbnailUrl                          | Text (255)                               | A thumbnail-sized version (e.g., ~300 pixels in the widest dimension) of the image or media item to be shown quickly in search results.|
-| url                          | Text (255)                               | A web-ready version of the image or media item, such as a JPG no larger than 2 MB. This is the version that is displayed as "medium resolution" in the occurrence editor.|
+| url                          | Text (255)                               | A web-ready version of the image or media item, such as a JPG no larger than 2 MB. This is the version that is displayed as "medium resolution" in the occurrence editor.|