DOC: fix typo (#42655)

Author: claws

doc/source/user_guide/cookbook.rst

@@ -1300,7 +1300,7 @@ is closed.
 
 .. ipython:: python
 
-   store = pd.HDFStore("test.h5", "w", diver="H5FD_CORE")
+   store = pd.HDFStore("test.h5", "w", driver="H5FD_CORE")
 
    df = pd.DataFrame(np.random.randn(8, 3))
    store["test"] = df