Added comment for renaming CalLauncher.ppr

apps/cli/executables/pexable/casa_envoy/casa_envoy/launchers.py

@@ -146,6 +146,8 @@ class CalibrationLauncher(LauncherIF):
         self.parameters = parameters
         self.ppr = get_abs_file(parameters.get("ppr")) if parameters.get("ppr") is not None else None
         if self.ppr is not None and self.parameters["product_type"] == ProductType.RESTORE.value:
+            # This AbstractFile gets written to `./products` by AuditFiles.correct_for_condor for use by CASA,
+            #     so we want it to have the name that deliver expects
             self.ppr.filename = RESTORE_RESTORE_PPR_NAME
         self.metadata = get_abs_file(parameters.get("metadata"))
         self.content = json.loads(self.metadata.content)