diff --git a/src/rules_tree.py b/src/rules_tree.py
index 508af69..f36274f 100644
--- a/src/rules_tree.py
+++ b/src/rules_tree.py
@@ -78,7 +78,7 @@ for pre, fill, node in RenderTree(root):
     treestr = u"%s%s" % (pre, node.id)
     if (type(node) == CondTreeNode):
         print(treestr.ljust(16), node.weight, ' arrow(s) at [site', node.site,
-            'in cell', node.x, end='')
+              'in cell', node.x, end='')
         if (not node.depth == 2):
             print(end=']\n')
         else: