diff --git a/event_registration.md b/event_registration.md
index d40e58b..e2e2a3f 100644
--- a/event_registration.md
+++ b/event_registration.md
@@ -115,10 +115,10 @@ message CWALocationData {
 
 The ID of a venue is derived as the SHA-256 hash of the concatenated byte representation of the string `CWA-GUID` and the byte representation of the Protocol Buffer message `QRCodePayload`. The `cryptographicSeed` adds sufficient entropy so that any modifications to the QR result in a unique ID.
 
-A `QRCodePayload` is base32-encoded and included in a URL. The URL is the content of the QR code and structures as follows:
+A `QRCodePayload` is base64-encoded and included in a URL. The URL is the content of the QR code and structures as follows:
 
 ```text
-https://e.coronawarn.app?v=1#<base64-url_encoded>
+https://e.coronawarn.app?v=1#<base64_encoded>
 
 # example:
 CWA Germany:
@@ -129,7 +129,6 @@ CLEA FR:
 https://tac.gouv.fr?v=1#Y2xlYQ==
 ```
 
-The base32 encoding allows to leverage the input mode _alphanumeric_ when generating the QR code and produces a QR code with a lower density compared to base64 encoding.
 
 ### QR Code Compatibility with Other Contract Tracing Apps in Germany DRAFT