gh-107194: Improved language of list.index in tutorial (gh-138518)

ricsatjr · web-flow · commit f19f1d8563fb · 2025-09-05T15:16:04.000+08:00
diff --git a/Doc/tutorial/datastructures.rst b/Doc/tutorial/datastructures.rst
@@ -62,7 +62,7 @@ objects:
 .. method:: list.index(x[, start[, end]])
    :noindex:
 
-   Return zero-based index in the list of the first item whose value is equal to *x*.
+   Return zero-based index of the first occurrence of *x* in the list.
    Raises a :exc:`ValueError` if there is no such item.
 
    The optional arguments *start* and *end* are interpreted as in the slice
