Clarify.
diff --git a/Doc/library/io.rst b/Doc/library/io.rst
index 50e976b..498cbc8 100644
--- a/Doc/library/io.rst
+++ b/Doc/library/io.rst
@@ -61,8 +61,8 @@
Open *file* and return a corresponding stream. If the file cannot be opened,
an :exc:`IOError` is raised.
- *file* is either a string or bytes object giving the name (and the path if
- the file isn't in the current working directory) of the file to be opened or
+ *file* is either a string or bytes object giving the pathname (absolute or
+ relative to the current working directory) of the file to be opened or
an integer file descriptor of the file to be wrapped. (If a file descriptor
is given, it is closed when the returned I/O object is closed, unless
*closefd* is set to ``False``.)