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-rw-r--r--Doc/library/functions.rst2
1 files changed, 1 insertions, 1 deletions
diff --git a/Doc/library/functions.rst b/Doc/library/functions.rst
index fef6c62..9629ace 100644
--- a/Doc/library/functions.rst
+++ b/Doc/library/functions.rst
@@ -916,7 +916,7 @@ are always available. They are listed here in alphabetical order.
Return ``True`` if *class* is a subclass (direct, indirect, or :term:`virtual
<abstract base class>`) of *classinfo*. A
class is considered a subclass of itself. *classinfo* may be a tuple of class
- objects or a :ref:`types-union`, in which case return True if *class* is a
+ objects or a :ref:`types-union`, in which case return ``True`` if *class* is a
subclass of any entry in *classinfo*. In any other case, a :exc:`TypeError`
exception is raised.