Update changeset copy

Update to suggestion in:
#502 (comment)

It's not all app data (in Node.js), but only the sample data that was
filtered.

[ci skip]

packages/nodejs/.changesets/add-filter-parameters-and-session-data-options.md

@@ -2,4 +2,4 @@
 bump: "patch"
 ---
 
-Add `filterParameters` and `filterSessionData` options to filter out specific parameter keys or session data keys. Previously only the (undocumented) filterDataKeys config option was available to filter out all kinds of app data.
+Add `filterParameters` and `filterSessionData` options to filter out specific parameter keys or session data keys. Previously only the (undocumented) `filterDataKeys` config option was available to filter out all kinds of sample data.