diff --git a/src/site/apt/building.apt b/src/site/apt/building.apt
index 0b26ef81d..8f853bac2 100644
--- a/src/site/apt/building.apt
+++ b/src/site/apt/building.apt
@@ -153,16 +153,17 @@ $ mvn -P snapshots dependency:tree
   the docbook format.  Also look at existing examples in Spring Batch
   and in the Core Spring Framework source code.
 
-  [N.B.] there is no need to explicitly create section numbers in the
+  [Section numbers] There is no need to explicitly create section numbers in the
   XML - this is done for you by the build when everything is stitched
   together into a book.
 
-  [N.B.] you put docbook .xml source files in a subdirectory called
-  <<<docbook>>>, but they are moved to the top level when the site is
-  built.  Thus <<<docbook/reference/index.xml>>> becomes
+  [Source location] You put docbook .xml source files in a
+  subdirectory called <<<docbook>>>, but they are moved to the top
+  level when the site is built.  Thus
+  <<<docbook/reference/index.xml>>> becomes
   <<<reference/index.html>>>.
 
-  [N.B.] If you use {{{http://www.xmlmind.com}XmlMind}} to edit the
+  [XMLMind] If you use {{{http://www.xmlmind.com}XMLMind}} to edit the
   reference guide add the following line to
   <<<<XMLMind>/addon/config/docbook/common.incl>>>: