Issue #19795: Improved markup of True/False constants.
diff --git a/Doc/library/struct.rst b/Doc/library/struct.rst
index 0016fcb..74e3206 100644
--- a/Doc/library/struct.rst
+++ b/Doc/library/struct.rst
@@ -284,7 +284,7 @@
For the ``'?'`` format character, the return value is either :const:`True` or
:const:`False`. When packing, the truth value of the argument object is used.
Either 0 or 1 in the native or standard bool representation will be packed, and
-any non-zero value will be True when unpacking.
+any non-zero value will be ``True`` when unpacking.