org.texi (Macro replacement): Minor enhancement

* org.texi (Macro replacement): Minor enhancement.

doc/org.texi

@@ -10016,10 +10016,10 @@ paragraphs, verse blocks, table cells and some keywords with
 @code{@{@{@{name(arg1,arg2)@}@}@}}@footnote{Since commas separate arguments,
 commas within arguments have to be escaped with a backslash character.
 Conversely, backslash characters before a comma, and only them, need to be
-escaped with another backslash character.}.  In addition to defined macros,
-@code{@{@{@{title@}@}@}}, @code{@{@{@{author@}@}@}}, etc., will reference
-information set by the @code{#+TITLE:}, @code{#+AUTHOR:}, and similar lines.
-Also, @code{@{@{@{time(@var{FORMAT})@}@}@}} and
+escaped with another backslash character.}.  In addition to user-defined
+macros, @code{@{@{@{title@}@}@}}, @code{@{@{@{author@}@}@}}, etc., will
+reference information set by the @code{#+TITLE:}, @code{#+AUTHOR:}, and
+similar lines.  Also, @code{@{@{@{time(@var{FORMAT})@}@}@}} and
 @code{@{@{@{modification-time(@var{FORMAT})@}@}@}} refer to current date time
 and to the modification time of the file being exported, respectively.
 @var{FORMAT} should be a format string understood by