diff --git a/pep-0553.rst b/pep-0553.rst
index 9e2bca995..3793cd567 100644
--- a/pep-0553.rst
+++ b/pep-0553.rst
@@ -90,7 +90,7 @@ can have various values:
 * ``PYTHONBREAKPOINT=0`` disables debugging.  Specifically, with this value
   ``sys.breakpointhook()`` returns ``None`` immediately.
 
-* ``PYTHONBREAKPOINT= `` (i.e. the empty string).  This is the same as not
+* ``PYTHONBREAKPOINT=`` (i.e. the empty string).  This is the same as not
   setting the environment variable at all, in which case ``pdb.set_trace()``
   is run as usual.