fix a couple of typos in synopsis

docs/build/synopsis.rst

@@ -81,7 +81,7 @@ within ``send_receive_logic()`` - that code is only a pass through, receiving
 data to and from an opaque implementation.  Must we convert **all** our code
 everywhere that acts as "pass through" to use ``async`` ``await``?
 
-With awaitlet, we dont have to.  awaitlet provides a **functional form
+With awaitlet, we don't have to.  awaitlet provides a **functional form
 of the Python await call**, which can be invoked from non-async functions,
 within an overall asyncio context.    We can port our program above by:
 
@@ -254,9 +254,9 @@ The ``value`` passed in becomes the **return value of the awaitlet() call**::
 and we are then back in the hosted function with an awaitable having proceeded
 and its return value passed back from the :func:`.awaitlet` call.
 
-The loop continues; each time ``context.dead`` is False, we know that
+The loop continues; each time ``context.dead`` is ``False``, we know that
 ``result`` is yet another Python awaitable.   Once ``context.dead`` is
-True, then we know the function completed; we return the result!
+``True``, then we know the function completed; we return the result!
 
 .. sourcecode::