Release notes entry for dbExpand.pl -s

documentation/RELEASE_NOTES.md

@@ -16,6 +16,15 @@ should also be read to understand what has changed since earlier releases.
 
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+### `dbExpand.pl` Sorts by Record Name
+
+Records are now output by this program in order, sorted by name. The new flag
+`-s` can be given to output the records in the same order they were read in,
+instead of sorting them.
+
+Note that there are currently no build rules provided with Base which make use
+of this program.
+
 ### Simulation Mode RAW Support for Output Record Types
 
 SIMM=RAW support has been added for the relevant output record types