Marked keystrokes with the :kbd: role.
Fixed the case of the "Ctrl-" prefixes.
diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index 41478f3..5e3bd1c 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -226,8 +226,8 @@
.. cmdoption:: -c, --catch
- Control-C during the test run waits for the current test to end and then
- reports all the results so far. A second control-C raises the normal
+ :kbd:`Control-C` during the test run waits for the current test to end and then
+ reports all the results so far. A second :kbd:`Control-C` raises the normal
:exc:`KeyboardInterrupt` exception.
See `Signal Handling`_ for the functions that provide this functionality.