command doesn't work, but program does, not sure it's correct, though
diff --git a/Doc/whatsnew/whatsnew23.tex b/Doc/whatsnew/whatsnew23.tex
index 0d48027..c97a544 100644
--- a/Doc/whatsnew/whatsnew23.tex
+++ b/Doc/whatsnew/whatsnew23.tex
@@ -1474,7 +1474,7 @@
 at the Python level as \code{sys.api_version}.
 
 \item The new \module{tarfile} module 
-allows reading from and writing to \command{tar}-format archive files.
+allows reading from and writing to \program{tar}-format archive files.
 (Contributed by Lars Gust\"abel.)
 
 \item The new \module{textwrap} module contains functions for wrapping