diff --git a/[refs] b/[refs]
index 3e450377287b..ce9f94127189 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f79c20f52532d38fd0aee7ef64e138cc1613c484
+refs/heads/master: 2ac534bc127bcf31f8cb76f65b1b0b7cba5e81ac
diff --git a/trunk/Documentation/DocBook/Makefile b/trunk/Documentation/DocBook/Makefile
index 6fd1646d3204..08687e45e19d 100644
--- a/trunk/Documentation/DocBook/Makefile
+++ b/trunk/Documentation/DocBook/Makefile
@@ -15,11 +15,11 @@ DOCBOOKS := wanbook.xml z8530book.xml mcabook.xml videobook.xml \
 
 ###
 # The build process is as follows (targets):
-#              (xmldocs)
-# file.tmpl --> file.xml +--> file.ps   (psdocs)
-#                        +--> file.pdf  (pdfdocs)
-#                        +--> DIR=file  (htmldocs)
-#                        +--> man/      (mandocs)
+#              (xmldocs) [by docproc]
+# file.tmpl --> file.xml +--> file.ps   (psdocs)   [by db2ps or xmlto]
+#                        +--> file.pdf  (pdfdocs)  [by db2pdf or xmlto]
+#                        +--> DIR=file  (htmldocs) [by xmlto]
+#                        +--> man/      (mandocs)  [by xmlto]
 
 
 # for PDF and PS output you can choose between xmlto and docbook-utils tools