Updates because of the migration to gitbox
diff --git a/src/main/docgen/book.xml b/src/main/docgen/book.xml
index 2a2b867..9e1fd77 100644
--- a/src/main/docgen/book.xml
+++ b/src/main/docgen/book.xml
@@ -509,8 +509,8 @@
       <title>Source code (Git)</title>
 
       <para>The project repositories are at the Apache Software Foundation.
-      These Apache repositories are mirrored back to GitHub (read-only), which
-      is practical for sending patches via usual GitHub forking and pull
+      These Apache repositories are also accessible through GitHub, which is
+      practical for sending patches via usual GitHub forking and pull
       requests.</para>
 
       <para>The key repositories are:</para>
@@ -575,7 +575,7 @@
       <para>There are some other FreeMarker-related repositories, such FMPP
       and Tutorials, which you can only find on the <olink
       targetdoc="githubProjectOld">old GitHub project</olink> page, as they
-      aren't part of the ongoing Apache Incubation effort.</para>
+      aren't part of the project at Apache.</para>
     </section>
 
     <section>
@@ -1391,24 +1391,9 @@
           </listitem>
         </itemizedlist>
 
-        <para>To merge the pull request:</para>
-
-        <programlisting language="unknown">git pull --no-ff https://github.com/apache/&lt;PROJECT&gt; refs/pull/&lt;PR_NUMBER&gt;/head</programlisting>
-
-        <para>Where:</para>
-
-        <itemizedlist>
-          <listitem>
-            <para><literal> <replaceable>&lt;PROJECT&gt;</replaceable>
-            </literal>is usually <literal>freemarker</literal></para>
-          </listitem>
-
-          <listitem>
-            <para><literal> <replaceable>&lt;PR_NUMBER&gt;</replaceable>
-            </literal>is the pull request number that GitHub shows prominently
-            after a <quote>#</quote></para>
-          </listitem>
-        </itemizedlist>
+        <para>To merge the pull request, the merge button on Github should
+        work (since we have migrated to gitbox - earlier it was more
+        complicated).</para>
 
         <para>The commit comment should automatically describe that it's a
         merge and where it was merged from. After that you may also want to
@@ -1417,37 +1402,13 @@
         <para>In general, pull request merge commits should adhere to the same
         policies that Committers use to commit directly into the Apache git
         repository.</para>
-
-        <para>Pushing the merge commit to the ASF repo will automatically
-        close the pull request on Github.</para>
       </section>
 
       <section xml:id="close-pull-request-without-merging">
         <title>Closing GitHub pull requests without merging</title>
 
-        <programlisting language="unknown">git commit --allow-empty -m "closes apache/&lt;PROJECT&gt;#&lt;PR_NUMBER&gt;: &lt;WHY&gt;"</programlisting>
-
-        <para>Where:</para>
-
-        <itemizedlist>
-          <listitem>
-            <para><literal> <replaceable>&lt;PROJECT&gt;</replaceable>
-            </literal>is usually <literal>freemarker</literal></para>
-          </listitem>
-
-          <listitem>
-            <para><literal> <replaceable>&lt;PR_NUMBER&gt;</replaceable>
-            </literal>is the pull request number that GitHub shows prominently
-            after a <quote>#</quote></para>
-          </listitem>
-
-          <listitem>
-            <para><literal> <replaceable>&lt;WHY&gt;</replaceable>
-            </literal>is the reason of the closing. For clarity, you may want
-            to end it with <quote>Closed PR without merging.</quote> or
-            something similar.</para>
-          </listitem>
-        </itemizedlist>
+        <para>Yet again the github buttons for this should work. You should
+        state the reason of closing in the closing comment.</para>
       </section>
 
       <section xml:id="making-releases">
diff --git a/src/main/docgen/docgen.cjson b/src/main/docgen/docgen.cjson
index 7e37126..f92ae0c 100644
--- a/src/main/docgen/docgen.cjson
+++ b/src/main/docgen/docgen.cjson
@@ -68,13 +68,13 @@
   // External URL-s:
   onlineTemplateTester: "https://try.freemarker.apache.org/"
   twitter: "https://twitter.com/freemarker"
-  gitFreemarker: "https://git-wip-us.apache.org/repos/asf/freemarker.git"
+  gitFreemarker: "https://gitbox.apache.org/repos/asf/freemarker.git"
   githubMirrorFreemarker: "https://github.com/apache/freemarker"
-  gitDocgen: "https://git-wip-us.apache.org/repos/asf/freemarker-docgen.git"
+  gitDocgen: "https://gitbox.apache.org/repos/asf/freemarker-docgen.git"
   githubMirrorDocgen: "https://github.com/apache/freemarker-docgen"
-  gitSite: "https://git-wip-us.apache.org/repos/asf/freemarker-site.git"
+  gitSite: "https://gitbox.apache.org/repos/asf/freemarker-site.git"
   githubMirrorSite: "https://github.com/apache/freemarker-site"
-  gitOnlineTester: "https://git-wip-us.apache.org/repos/asf/freemarker-online-tester.git"
+  gitOnlineTester: "https://gitbox.apache.org/repos/asf/freemarker-online-tester.git"
   githubMirrorOnlineTester: "https://github.com/apache/freemarker-online-tester"
   githubProject: "olink:githubMirrorFreemarker"
   githubProjectOld: "https://github.com/freemarker/"