Marked keystrokes with the :kbd: role.
Fixed the case of the "Ctrl-" prefixes.
diff --git a/Lib/test/test_os.py b/Lib/test/test_os.py
index 6c7ea7a..57c7c88 100644
--- a/Lib/test/test_os.py
+++ b/Lib/test/test_os.py
@@ -856,7 +856,7 @@
             os.kill(proc.pid, signal.SIGINT)
             self.fail("subprocess did not stop on {}".format(name))
 
-    @unittest.skip("subprocesses aren't inheriting CTRL+C property")
+    @unittest.skip("subprocesses aren't inheriting Ctrl+C property")
     def test_CTRL_C_EVENT(self):
         from ctypes import wintypes
         import ctypes
@@ -869,7 +869,7 @@
         SetConsoleCtrlHandler.restype = wintypes.BOOL
 
         # Calling this with NULL and FALSE causes the calling process to
-        # handle CTRL+C, rather than ignore it. This property is inherited
+        # handle Ctrl+C, rather than ignore it. This property is inherited
         # by subprocesses.
         SetConsoleCtrlHandler(NULL, 0)