bpo-42755: Fix sqlite3.Connection.backup docs (pythonGH-23965)

Erlend Egeberg Aasland · miss-islington · commit 06b1939bee8f · 2020-12-27T22:35:44.000Z
The `pages` argument default value now reflects the implementation. (cherry picked from commit abba83b) Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>
diff --git a/Doc/library/sqlite3.rst b/Doc/library/sqlite3.rst
@@ -545,7 +545,7 @@ Connection Objects
          con.close()
 
 
-   .. method:: backup(target, *, pages=0, progress=None, name="main", sleep=0.250)
+   .. method:: backup(target, *, pages=-1, progress=None, name="main", sleep=0.250)
 
       This method makes a backup of a SQLite database even while it's being accessed
       by other clients, or concurrently by the same connection.  The copy will be
