Change up a title.

Author: ZeroIntensity

peps/pep-0788.rst

@@ -333,8 +333,8 @@ object are wrong! There isn't any synchronization between the two GILs, so both
 the thread (who thinks it's in the subinterpreter) and the main thread could try
 to increment the reference count at the same time, causing a data race!
 
-Concurrent Interpreter Deallocation is Frustrating
---------------------------------------------------
+An Interpreter Can Concurrently Deallocate
+------------------------------------------
 
 The other way of creating a native thread that can invoke Python,
 :c:func:`PyThreadState_New` and :c:func:`PyThreadState_Swap`, is a lot better