Clarification to the break statement (GH-2453) (GH-2459)

Clarify that the break statement breaks out of the innermost enclosing for or while loop.
(cherry picked from commit 36fc896)

Author: regexaurus

Doc/tutorial/controlflow.rst

@@ -126,7 +126,7 @@ function, see :ref:`tut-loopidioms`.
 :keyword:`break` and :keyword:`continue` Statements, and :keyword:`else` Clauses on Loops
 =========================================================================================
 
-The :keyword:`break` statement, like in C, breaks out of the smallest enclosing
+The :keyword:`break` statement, like in C, breaks out of the innermost enclosing
 :keyword:`for` or :keyword:`while` loop.
 
 Loop statements may have an ``else`` clause; it is executed when the loop