Doc: Missing backquotes. (GH-11982)



diff --git a/Doc/library/unittest.rst b/Doc/library/unittest.rst
index c5d1985..d1b4f3b 100644
--- a/Doc/library/unittest.rst
+++ b/Doc/library/unittest.rst
@@ -2083,7 +2083,7 @@
 
    .. method:: run(test)
 
-      This method is the main public interface to the `TextTestRunner`. This
+      This method is the main public interface to the ``TextTestRunner``. This
       method takes a :class:`TestSuite` or :class:`TestCase` instance. A
       :class:`TestResult` is created by calling
       :func:`_makeResult` and the test(s) are run and the