diff --git a/.github/workflows/publishing.yml b/.github/workflows/publishing.yml
index 0a1b768..3ce75cb 100644
--- a/.github/workflows/publishing.yml
+++ b/.github/workflows/publishing.yml
@@ -31,6 +31,6 @@ jobs:
         with:
           repo_token: ${{ secrets.GITHUB_TOKEN }}
           file: output/ttt*
-          tag: v0.1
+          tag: v0.9
           overwrite: true
           file_glob: true
diff --git a/Rakefile b/Rakefile
index fee78c9..80327b1 100644
--- a/Rakefile
+++ b/Rakefile
@@ -7,7 +7,7 @@ namespace :book do
       book_dir = 'book'
       output_dir = 'output'
 
-      version_string = ENV['TRAVIS_TAG'] || `git describe --tags`.chomp
+      version_string = ENV['TRAVIS_TAG'] || `git describe --tags | cut -d- -f1`.chomp
       if version_string.empty?
         version_string = '1.0'
       end
diff --git a/book/colophon.adoc b/book/colophon.adoc
index ef9bd74..566ba1e 100644
--- a/book/colophon.adoc
+++ b/book/colophon.adoc
@@ -1,4 +1,4 @@
-[colophon]
+[[colophon]]
 = Colophon
 
 The Nosillacast Press
@@ -9,7 +9,7 @@ Published in the Milky Way Galaxy
 
 Version {revnumber}
 
-Date {revdate}
+Date revision {revdate}
 
 _Compiled: {compile_time}_
 
@@ -17,7 +17,7 @@ This book is designed and handcrafted by {producer}.
 The cover is designed by {cover-artist}.
 The font types are Noto Sans and Noto Serif.
 
-Created in Asciidoctor and macOS.
+Created in https://asciidoctor.org[Asciidoctor] and macOS.
 
 [[license]]
 *Creative Commons license*