Avoid too many 'default's

Author: astrofrog

peps/pep-0771.rst

@@ -510,11 +510,10 @@ This would allow (if desired) users to then get whatever the recommended backend
 is, even if that default changes in time.
 
 If there is a desire to implement a better solution in future, we believe this
-PEP should not preclude this. For example, one could imagine in future adding the
-ability for an extra to specify *which* default extras it disables rather than
-disabling all default extras, but the default could still be for explicitly
-specified extras to disable all default extras, which would be consistent with
-the present PEP.
+PEP should not preclude this. For example, one could imagine in future adding
+the ability for an extra to specify *which* default extras it disables, and if
+this is not specified then explicitly specified extras would disable all default
+extras (consistent with the present PEP).
 
 Backward Compatibility
 ======================