diff --git a/src/modules/mtree/doc/mtree.xml b/src/modules/mtree/doc/mtree.xml
index 51aedbb5de5..de6f9dfdac7 100644
--- a/src/modules/mtree/doc/mtree.xml
+++ b/src/modules/mtree/doc/mtree.xml
@@ -44,8 +44,8 @@
 	</copyright>
     </bookinfo>
     <toc></toc>
-    
+
 	<xi:include href="mtree_admin.xml"/>
 	<xi:include href="mtree_devel.xml"/>
-    
+
 </book>
diff --git a/src/modules/mtree/doc/mtree_devel.xml b/src/modules/mtree/doc/mtree_devel.xml
index e120d11b168..744b5bfe980 100644
--- a/src/modules/mtree/doc/mtree_devel.xml
+++ b/src/modules/mtree/doc/mtree_devel.xml
@@ -10,7 +10,7 @@
 <!-- Module Developer's Guide -->
 
 <chapter>
-	
+
 	<title>&develguide;</title>
 	<section>
 	<title>Available Functions</title>
@@ -20,7 +20,7 @@
 			</function>
 		</title>
 		<para>
-		The function imports all API functions that are exported by the 
+		The function imports all API functions that are exported by the
 		mtree module (see sections below).
 		</para>
 		<para>Meaning of the parameters is as follows:</para>