diff --git a/doc/src/variable.rst b/doc/src/variable.rst
index 6b143ab5ae..ba5e5efd39 100644
--- a/doc/src/variable.rst
+++ b/doc/src/variable.rst
@@ -304,7 +304,7 @@ point number with the value.  The atom-IDs may be listed in any order.
    at 0.0.
 
 Below is a small example for the atomfile variable file format:
- 
+
  .. parsed-literal::
 
    # first set