fix minor markup error: \code{for} --> \keyword{for}
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex
index 3933fc6..7814231 100644
--- a/Doc/tut/tut.tex
+++ b/Doc/tut/tut.tex
@@ -4286,7 +4286,7 @@
\section{Iterators\label{iterators}}
By now, you've probably noticed that most container objects can be looped
-over using a \code{for} statement:
+over using a \keyword{for} statement:
\begin{verbatim}
for element in [1, 2, 3]:
@@ -4302,11 +4302,12 @@
\end{verbatim}
This style of access is clear, concise, and convenient. The use of iterators
-pervades and unifies Python. Behind the scenes, the \code{for} statement calls
-\function{iter()} on the container object. The function returns an iterator
-object that defines the method \method{next()} which accesses elements in the
-container one at a time. When there are no more elements, \method{next()}
-raises a \exception{StopIteration} exception which tells the \code{for} loop
+pervades and unifies Python. Behind the scenes, the \keyword{for}
+statement calls \function{iter()} on the container object. The
+function returns an iterator object that defines the method
+\method{next()} which accesses elements in the container one at a
+time. When there are no more elements, \method{next()} raises a
+\exception{StopIteration} exception which tells the \keyword{for} loop
to terminate. This example shows how it all works:
\begin{verbatim}