diff --git a/emulators/dosbox-staging.yml b/emulators/dosbox-staging.yml
index a1e0bd1c0..5a2ffdc2c 100644
--- a/emulators/dosbox-staging.yml
+++ b/emulators/dosbox-staging.yml
@@ -4,6 +4,7 @@ core_classification: enhanced_fork
 source: "https://github.com/dosbox-staging/dosbox-staging"
 upstream: "https://github.com/dosbox-staging/dosbox-staging"
 source_commit: "27b1b7ca719c21ef3444f7ad1cf2d9cd439527cc"
+prose_written_at: "27b1b7ca719c21ef3444f7ad1cf2d9cd439527cc"
 profiled_date: "2026-10-26"
 core_version: "0.84.0-alpha"
 version_basis:
diff --git a/emulators/lightspark.yml b/emulators/lightspark.yml
index 836bfdf2f..08873bdcb 100644
--- a/emulators/lightspark.yml
+++ b/emulators/lightspark.yml
@@ -5,6 +5,7 @@ source: "https://github.com/lightspark/lightspark"
 upstream: "https://github.com/lightspark/lightspark"
 profiled_date: "2026-08-08"
 source_commit: "c24accae28d677406bc5047ad7e0778a39bfd27b"
+prose_written_at: "c24accae28d677406bc5047ad7e0778a39bfd27b"
 core_version: "0.10.0"
 version_basis:
   kind: file