Fix spelling

Author: dstansby

docs/guide/whatsnew_v3.rst

@@ -6,9 +6,9 @@ This page gives an overview of major changes and additions in version 3.
 
 Dependencies
 ------------
-- The new ``remote`` depedency group can be used to install a supported verison of
+- The new ``remote`` dependency group can be used to install a supported version of
   ``fsspec``, required for remote data access.
-- The new ``gpu`` depdencency group can be used to install a supported version of
-  ``cuda``, requried for GPU functionality.
+- The new ``gpu`` dependency group can be used to install a supported version of
+  ``cuda``, required for GPU functionality.
 - The ``jupyter`` optional dependency group has been removed, since v3 contains no
   jupyter specific functionality.