Fix markup.
diff --git a/Doc/library/warnings.rst b/Doc/library/warnings.rst
index 2267a0d..94d4738 100644
--- a/Doc/library/warnings.rst
+++ b/Doc/library/warnings.rst
@@ -200,7 +200,7 @@
    sources).
 
    .. versionchanged:: 2.5
-      Added the `module_globals` parameter.
+      Added the *module_globals* parameter.
 
 
 .. function:: warnpy3k(message[, category[, stacklevel]])
@@ -219,10 +219,8 @@
    this function with an alternative implementation by assigning to
    ``warnings.showwarning``.
 
-   ..versionchanged:: 2.6
-     Added the `line` argument.
-
-
+   .. versionchanged:: 2.6
+      Added the *line* argument.
 
 
 .. function:: formatwarning(message, category, filename, lineno[, line])
@@ -230,8 +228,8 @@
    Format a warning the standard way.  This returns a string  which may contain
    embedded newlines and ends in a newline.
 
-   ..versionchanged:: 2.6
-     Added the `line` argument.
+   .. versionchanged:: 2.6
+      Added the *line* argument.
 
 
 .. function:: filterwarnings(action[, message[, category[, module[, lineno[, append]]]]])