diff --git a/data_migration/removeDecisionDescription.js b/data_migration/removeDecisionDescription.js
new file mode 100644
index 0000000..abfba17
--- /dev/null
+++ b/data_migration/removeDecisionDescription.js
@@ -0,0 +1,12 @@
+// database migration script
+// deletes description field from Decision collection
+// run this any time after description was removed: PRC-1029-2 for api/public AND PRC-1029 for admin
+// is safe to run multiple times
+// NOTE: code below requires MongoDB 3.4
+
+// steps:
+// 1. open Robo 3T
+// 2. paste the following in a shell
+// 3. press F5 to execute
+
+db.decisions.updateMany( {}, { $unset: { description: 1 } } );
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