fix markup nit
diff --git a/Doc/whatsnew/whatsnew25.tex b/Doc/whatsnew/whatsnew25.tex
index af59867..15031b6 100644
--- a/Doc/whatsnew/whatsnew25.tex
+++ b/Doc/whatsnew/whatsnew25.tex
@@ -1175,7 +1175,7 @@
\file{__init__.py} was found. (Implemented by Thomas Wouters.)
To suppress these warnings, you can either supply
-\command{-W'ignore:Not importing directory'} when running the Python
+\code{\programopt{-W}'ignore:Not importing directory'} when running the Python
interpreter, or use the \module{warnings} module to suppress the
message: