DOCSP-46719 Spark Guide 404 (#235)

Author: lindseymoore

source/batch-mode/batch-write.txt

@@ -48,7 +48,7 @@ Overview
    - Time-series collections
 
    To learn more about save modes, see the
-   `Spark SQL Guide <https://spark.apache.org/docs/3.2.0/sql-data-sources-load-save-functions.html#save-modes>`__.
+   `Spark SQL Guide <https://spark.apache.org/docs/latest/sql-data-sources-load-save-functions.html#save-modes>`__.
 
 .. important::