Fix a typo about a comma. (GH-10306)

diff --git a/Doc/tutorial/errors.rst b/Doc/tutorial/errors.rst
index aba61da5f7c313c378fb617a49d2cd1dd92b810f..957cbf962b203f2ea8f35a28c550c2c65d79179d 100644 (file)
--- a/Doc/tutorial/errors.rst
+++ b/Doc/tutorial/errors.rst
@@ -314,7 +314,7 @@ to create specific exception classes for different error conditions::
            self.next = next
            self.message = message
 
-Most exceptions are defined with names that end in "Error," similar to the
+Most exceptions are defined with names that end in "Error", similar to the
 naming of the standard exceptions.
 
 Many standard modules define their own exceptions to report errors that may