At the moment, the Note in the Project header is not expandable. The text can only be seen as a whole when a cursor hovers over it. Adding hyperlinks doesn't work, they are shown as plain text.
Note in the project header works as a text field that shows the full text only when a cursor hovers over it. Hyperlinks show as a regular text.
Note in the project header is expandable. If there are any hyperlinks inserted there, they are active.
A short description of the project with hyperlink to additional information in the Note could be more user-friendly than putting the same information in a Reference file.