documentation fix
`continue` expression's description mentioned `break` instead of `continue`
@@ -3040,7 +3040,7 @@ the case of a `while` loop, the head is the conditional expression controlling
the loop. In the case of a `for` loop, the head is the call-expression
controlling the loop. If the label is present, then `continue 'foo` returns
control to the head of the loop with label `'foo`, which need not be the
-innermost label enclosing the `break` expression, but must enclose it.
+innermost label enclosing the `continue` expression, but must enclose it.
A `continue` expression is only permitted in the body of a loop.
