fix dedication

Author: amejiarosario

book-pro/dsajs.asc

@@ -5,7 +5,7 @@ Adrian Mejia
 :doctype: book
 :docinfo:
 :toc:
-:toclevels: 2
+:toclevels: 3
 :pagenums:
 :front-cover-image: image:content/cover.png[width=1050,height=1600]
 :icons: font
@@ -33,10 +33,10 @@ ifdef::ebook-format[:leveloffset: -1]
 
 include::content/colophon.asc[]
 
-include::content/preface.asc[]
-
 include::content/dedication.asc[]
 
+include::content/preface.asc[]
+
 include::content/introduction.asc[]
 
 include::part01-algorithms-analysis.asc[]