Spelling.

git-svn-id: https://svn.r-project.org/R/trunk@88222 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: hornik

src/library/utils/man/news.Rd

@@ -94,7 +94,7 @@ news(query, package = "R", lib.loc = NULL, format = NULL,
 \subsection{\file{NEWS.md}}{
   File \file{NEWS.md} should contain the news in Markdown (following the
   \I{CommonMark} (\url{https://commonmark.org/}) specification), with a
-  primary heading level (e.g., ATX heading \code{#} or \code{##}) giving
+  primary heading level (e.g., \I{ATX} heading \code{#} or \code{##}) giving
   the version number after a prefix followed by a space, and optionally
   followed by a space and a parenthesized ISO 8601 format date.  Where
   available, secondary headings (i.e., one heading level higher than