Unify "byte code" to "bytecode". Also sprinkle :term: markup for it.
diff --git a/Doc/howto/functional.rst b/Doc/howto/functional.rst
index bc12793..78520d1 100644
--- a/Doc/howto/functional.rst
+++ b/Doc/howto/functional.rst
@@ -448,7 +448,7 @@
yield i
Any function containing a ``yield`` keyword is a generator function; this is
-detected by Python's bytecode compiler which compiles the function specially as
+detected by Python's :term:`bytecode` compiler which compiles the function specially as
a result.
When you call a generator function, it doesn't return a single value; instead it