(Typo, etc.)
diff --git a/src/main/docgen/book.xml b/src/main/docgen/book.xml
index aad16cc..a93bae2 100644
--- a/src/main/docgen/book.xml
+++ b/src/main/docgen/book.xml
@@ -1479,9 +1479,9 @@
<listitem>
<para>In the 2.3.x branch, we release two products, the normal and
the GAE (Google App Engine) version. Hence when executing the
- release steps, you do many of them twice. Changes are made into
- the 2.3-gae branch, and then they are merged into the 2.3 branch
- (unless a change only applies to 2.3).</para>
+ release steps, you do many of them twice. Note that source code
+ changes should be made in the 2.3-gae branch, and then merged into
+ the 2.3 branch (unless a change only applies to 2.3).</para>
</listitem>
</itemizedlist>
