Some cleanup in the docs.
diff --git a/Doc/howto/doanddont.rst b/Doc/howto/doanddont.rst
index 600c216..a350753 100644
--- a/Doc/howto/doanddont.rst
+++ b/Doc/howto/doanddont.rst
@@ -290,7 +290,7 @@
       calculate_number(10, 20) != forbulate(500, 360):
          pass
 
-You should realize that this is dangerous: a stray space after the ``XXX`` would
+You should realize that this is dangerous: a stray space after the ``\`` would
 make this line wrong, and stray spaces are notoriously hard to see in editors.
 In this case, at least it would be a syntax error, but if the code was::