diff --git a/Manuals/RepoReference/en_US/Directories/trunk/Scripts/Functions/Help.texinfo b/Manuals/RepoReference/en_US/Directories/trunk/Scripts/Functions/Help.texinfo
index b5e6696..9af9445 100644
--- a/Manuals/RepoReference/en_US/Directories/trunk/Scripts/Functions/Help.texinfo
+++ b/Manuals/RepoReference/en_US/Directories/trunk/Scripts/Functions/Help.texinfo
@@ -191,9 +191,9 @@ the Xhtml output through @command{texi2html} command.
 
 @quotation
 @strong{Caution} The DocBook output produced by @command{makeinfo}
-(@file{texinfo-4.8-14.el5}) doesn't conform with its DTD
-specification. To determine whether the DocBook XML output conforms
-its DTD specification or not, try the following command:
+(@file{texinfo-4.8-14.el5}) doesn't conform with its @acronym{DTD,
+Document Type Definition}. To determine whether the DocBook XML output
+conforms its DTD or not, try the following command:
 @verbatim
 xmllint --valid --noout repository.docbook
 @end verbatim