diff --git a/CHANGELOG-Japanese.md b/CHANGELOG-Japanese.md
index c6c9f2a9..3405c624 100644
--- a/CHANGELOG-Japanese.md
+++ b/CHANGELOG-Japanese.md
@@ -2,6 +2,8 @@
 
 ## 2.2.0 [2026/xx/xx] - Dev Release
 
+- イベントログのサイズ、保持モード、復旧に関する保護範囲を文書化しました。 (#379)
+
 - ネイティブ Security 4703 帰属証跡と、条件付きマッピングの範囲を文書化しました。 (#380)
 
 - ネイティブ AppLocker 準備状態の確認と、安全な監査専用ポリシー取込の範囲を文書化しました。 (#381)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 29c6d2cd..79c701fa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## 2.2.0 [2026/xx/xx] - Dev Release
 
+- Document guarded event-log sizing, retention-mode, and recovery boundaries. (Related #379)
+
 - Document native Security 4703 attribution evidence and conditional mapping boundaries. (Related #380)
 
 - Document native AppLocker readiness checks and safe audit-only policy import boundaries. (Related #381)
diff --git a/docs/eventlog-settings.md b/docs/eventlog-settings.md
index 2b5dc129..a61a263d 100644
--- a/docs/eventlog-settings.md
+++ b/docs/eventlog-settings.md
@@ -1,5 +1,9 @@
 # Event-log sizes and retention modes
 
+### Issue 379 coverage
+
+Event-log sizing and retention changes are explicit per-channel controls with typed before/after evidence, mode preservation, and guarded recovery. Buffer size does not establish a retention duration, archive capacity, forwarding health, or absence of event loss.
+
 `audit-filesize` and ordinary `configure` now use the same
 `config/eventlog_profiles.json` definitions. `-Profile` continues to select
 **advanced audit policy only**. Use the separate `-LogProfile` option with
diff --git a/website/docs/resources/changelog.ja.md b/website/docs/resources/changelog.ja.md
index 5dce36cc..997f9e97 100644
--- a/website/docs/resources/changelog.ja.md
+++ b/website/docs/resources/changelog.ja.md
@@ -5,6 +5,8 @@
 
 ## 2.2.0 [2026/xx/xx] - Dev Release
 
+- イベントログのサイズ、保持モード、復旧に関する保護範囲を文書化しました。 (#379)
+
 - ネイティブ Security 4703 帰属証跡と、条件付きマッピングの範囲を文書化しました。 (#380)
 
 - ネイティブ AppLocker 準備状態の確認と、安全な監査専用ポリシー取込の範囲を文書化しました。 (#381)
diff --git a/website/docs/resources/changelog.md b/website/docs/resources/changelog.md
index 25d1139c..00f6799e 100644
--- a/website/docs/resources/changelog.md
+++ b/website/docs/resources/changelog.md
@@ -5,6 +5,8 @@
 
 ## 2.2.0 [2026/xx/xx] - Dev Release
 
+- Document guarded event-log sizing, retention-mode, and recovery boundaries. (Related #379)
+
 - Document native Security 4703 attribution evidence and conditional mapping boundaries. (Related #380)
 
 - Document native AppLocker readiness checks and safe audit-only policy import boundaries. (Related #381)