one more place to avoid extra markup

Doc/ref/ref6.tex

@@ -417,7 +417,7 @@ exception is raised.
 \keyword{print} also has an extended\index{extended print statement}
 form, defined by the second portion of the syntax described above.
 This form is sometimes referred to as ``\keyword{print} chevron.''
-In this form, the first expression after the \code{>}\code{>} must
+In this form, the first expression after the \code{>>} must
 evaluate to a ``file-like'' object, specifically an object that has a
 \method{write()} method as described above.  With this extended form,
 the subsequent expressions are printed to this file object.  If the