diff --git a/Doc/tutorial/errors.rst b/Doc/tutorial/errors.rst
index 1c20fa2f0b6ae5..ef2a86489bcaf2 100644
--- a/Doc/tutorial/errors.rst
+++ b/Doc/tutorial/errors.rst
@@ -129,7 +129,8 @@ may name multiple exceptions as a parenthesized tuple, for example::
A class in an :keyword:`except` clause matches exceptions which are instances of the
class itself or one of its derived classes (but not the other way around --- an
*except clause* listing a derived class does not match instances of its base classes).
-For example, the following code will print B, C, D in that order::
+
+For example, the following code will print B, C in that order::
class B(Exception):
pass
@@ -137,21 +138,29 @@ For example, the following code will print B, C, D in that order::
class C(B):
pass
- class D(C):
- pass
-
- for cls in [B, C, D]:
+ for cls in [B, C]:
try:
raise cls()
- except D:
- print("D")
except C:
+ # Matches C but not B.
print("C")
except B:
+ # Matches B; not reached for C.
print("B")
Note that if the *except clauses* were reversed (with ``except B`` first), it
-would have printed B, B, B --- the first matching *except clause* is triggered.
+would have printed B, B --- the first matching *except clause* is triggered,
+like in the following example::
+
+ for cls in [B, C]:
+ try:
+ raise cls()
+ except B:
+ # Matches B and C both.
+ print("B")
+ except C:
+ # Not reached (the previous clause ate B and C)
+ print("C")
When an exception occurs, it may have associated values, also known as the
exception's *arguments*. The presence and types of the arguments depend on the
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