docs: fix simple typo, organisating -> organising

There is a small typo in hypothesis-python/src/hypothesis/internal/conjecture/dfa/lstar.py.

Should read `organising` rather than `organisating`.

Signed-off-by: Tim Gates <tim.gates@iress.com>

hypothesis-python/src/hypothesis/internal/conjecture/dfa/lstar.py

@@ -142,7 +142,7 @@ def __init__(self, member):
 
         # When we're trying to figure out what state a string leads to we will
         # end up searching to find a suitable candidate. By putting states in
-        # a self-organisating list we ideally minimise the number of lookups.
+        # a self-organising list we ideally minimise the number of lookups.
         self.__self_organising_states = SelfOrganisingList(self.__states)
 
         self.start = 0