diff --git a/hyracks-fullstack/hyracks/hyracks-documentation/src/books/user-guide/doxia-descriptor.xml b/hyracks-fullstack/hyracks/hyracks-documentation/src/books/user-guide/doxia-descriptor.xml
index e2bab67..10d4ccf 100644
--- a/hyracks-fullstack/hyracks/hyracks-documentation/src/books/user-guide/doxia-descriptor.xml
+++ b/hyracks-fullstack/hyracks/hyracks-documentation/src/books/user-guide/doxia-descriptor.xml
@@ -18,8 +18,8 @@
  !-->
 
 <book xmlns="http://maven.apache.org/BOOK/1.0.0"
- xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
- xsi:schemaLocation="http://maven.apache.org/BOOK/1.0.0 ../../../doxia/doxia-book/target/generated-site/xsd/book-1.0.0.xsd">
+      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+      xsi:schemaLocation="http://maven.apache.org/BOOK/1.0.0 ../../../doxia/doxia-book/target/generated-site/xsd/book-1.0.0.xsd">
   <id>user-guide</id>
   <title>Hyracks User Guide</title>
   <chapters>