Update Lib/pydoc_data/topics.py

Co-authored-by: Stan Ulbrych <[email protected]>

Author: guan404ming

Lib/pydoc_data/topics.py

@@ -919,7 +919,7 @@ class and instance attributes applies as for regular assignments.
 levels, one for multiplicative operators and one for additive
 operators:
 
-   m_expr: u_expr | m_expr "*" u_expr | m_expr "@" u_expr |
+   m_expr: u_expr | m_expr "*" u_expr | m_expr "@" m_expr |
            m_expr "//" u_expr | m_expr "/" u_expr |
            m_expr "%" u_expr
    a_expr: m_expr | a_expr "+" m_expr | a_expr "-" m_expr