Fix up an awkward sentence, pointed out by Chris Ryland <cpr@emsoftware.com>.

Doc/tut/tut.tex

@@ -2588,7 +2588,7 @@ lay-out you can imagine.  The standard module
 for padding strings to a given column width; these will be discussed
 shortly.  The second way is to use the \code{\%} operator with a
 string as the left argument.  The \code{\%} operator interprets the
-left argument as a C much like a \cfunction{sprintf()}-style format
+left argument much like a \cfunction{sprintf()}-style format
 string to be applied to the right argument, and returns the string
 resulting from this formatting operation.