diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index 0be7e00..1ba912a 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -12,7 +12,7 @@ env:
 on:
   push:
     branches:
-      - master
+      - main
 
 jobs:
   build:
diff --git a/DataLinkImp.tex b/DataLinkImp.tex
index aea5f28..3c28607 100644
--- a/DataLinkImp.tex
+++ b/DataLinkImp.tex
@@ -6,6 +6,7 @@
 % see ivoatexDoc for what group names to use here
 \ivoagroup{DAL}
 
+
 \author[http://www.ivoa.net/twiki/bin/view/IVOA/FrancoisBonnarel]
        {Fran\c{c}ois Bonnarel}
 \author[http://www.ivoa.net/twiki/bin/view/IVOA/MarkusDemleitner]
diff --git a/Makefile b/Makefile
index e4a391d..da49cd1 100644
--- a/Makefile
+++ b/Makefile
@@ -9,6 +9,7 @@ DOCVERSION = 1.0
 # Publication date, ISO format; update manually for "releases"
 DOCDATE = 2024-01-19
 
+
 # What is it you're writing: NOTE, WD, PR, REC, PEN, or EN
 DOCTYPE = NOTE
 
diff --git a/README.md b/README.md
index f05a18a..694a272 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,2 @@
 # DataLinkRecImplNote
+ [![PDF-Preview](https://img.shields.io/badge/Preview-PDF-blue)](../../releases/download/auto-pdf-preview/DataLinkImp-draft.pdf)