diff --git a/doc/Jamfile.v2 b/doc/Jamfile.v2
index 9f518e6..1aee1e7 100644
--- a/doc/Jamfile.v2
+++ b/doc/Jamfile.v2
@@ -7,10 +7,10 @@ project boost/doc ;
 import boostbook : boostbook ;
 
 boostbook function-doc 
-	: 
-	function.xml 
-	:
-	    <xsl:param>boost.root=../../../..
+    : 
+    function.xml 
+    :
+        <xsl:param>boost.root=../../../..
         <format>pdf:<xsl:param>boost.url.prefix=http://www.boost.org/doc/libs/release/doc/html
-	;
+    ;