bpo-36182: Update pathlib.Path.write_text() docs (GH-12161)

lysnikolaou · JulienPalard · commit af636f4f91b8 · 2019-09-11T17:08:10.000+02:00
with the case of an existing file
diff --git a/Doc/library/pathlib.rst b/Doc/library/pathlib.rst
@@ -1119,6 +1119,9 @@ call fails (for example because the path doesn't exist).
       >>> p.read_text()
       'Text file contents'
 
+   An existing file of the same name is overwritten. The optional parameters
+   have the same meaning as in :func:`open`.
+
    .. versionadded:: 3.5
 
 Correspondence to tools in the :mod:`os` module
