diff --git a/atlas.json b/atlas.json
index 433b2443..48810430 100644
--- a/atlas.json
+++ b/atlas.json
@@ -3,7 +3,7 @@
     "cover.html",
     "01-titlepage.html",
     "02-copyright.html",
-    "03-toc.html", 
+    "03-toc.html",
     "04-preface.html",
     "05-chapter.html",
     "06-appendix.html"