diff --git a/doc/editor.rst b/doc/editor.rst
index b03efb6929e..a903a234625 100644
--- a/doc/editor.rst
+++ b/doc/editor.rst
@@ -9,15 +9,27 @@ function/class browser, horizontal/vertical splitting features, etc.
 
 Function/class/method browser:
 
+|
+
 .. image:: images/editor1.png
+   :align: center
+|
 
 Code analysis with `pyflakes`:
 
+|
+
 .. image:: images/editor2.png
+   :align: center
+|
 
 Horizontal/vertical splitting feature:
 
+|
+
 .. image:: images/editor3.png
+   :align: center
+|
 
 How to define a code cell
 --------------------------