DOCSP-35886 deprecation definition update (#79)

Updated the note on what a deprecated version means.

Author: kyuan-mongodb

source/includes/deprecated-definition.rst

@@ -1,10 +1,9 @@
 .. note::
 
-   MongoDB marks a version as deprecated when we no longer support it.
-   While a deprecated version might still work with the corresponding
-   |onprem| release, we will remove the support for this version in the
-   future. |mdb-support| doesn't recommend using this version and
-   provides limited assistance for using this version with |onprem|.
+   A deprecated version still works with the corresponding |onprem|
+   release, but we will remove the support for this version in the
+   next release. |mdb-support| recommends migrating to a supported
+   version to avoid potential incompatibility issues.
 
    To learn more, see `MongoDB Legacy Support Policy
    <https://www.mongodb.com/legal/support-policy/legacy>`__ and