Update src/content/pages/visa.mdx

Co-authored-by: hypha <ramble.dalloway@gmail.com>

Author: yuliabarabash2601

src/content/pages/visa.mdx

@@ -31,6 +31,8 @@ We will send you the completed letter via email.
 
 Please note that we only issue visa support letters to confirmed attendees. We kindly ask you to purchase your ticket before filling in the request form. If your company purchased the ticket on your behalf, please ask them to register you as an attendee, so you have the order code ready for the form.
 
+If you are a speaker and have not yet received your speaker voucher to register a ticket, you are welcome to complete the request form, indicating this in your submission.
+
 If you find your visa application unsuccessful after the deadline for a refund (see [terms](/terms/#4-refunds)), you can submit a special refund request by writing to [refunds@europython.eu](mailto:refunds@europython.eu).
 
 ## Other questions