diff --git a/.githooks/commit-msg b/.githooks/commit-msg
index 2577592..49bdcf0 100755
--- a/.githooks/commit-msg
+++ b/.githooks/commit-msg
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# F∆I Platform — commit-msg hook.
+# Ch∆In — commit-msg hook.
 # Validates the commit message: Conventional Commits subject, DCO
 # sign-off, no Claude co-author trailer, no banned phrases.
 exec "$(git rev-parse --show-toplevel)/tools/security/check-staged.sh" message "$1"
diff --git a/.githooks/pre-commit b/.githooks/pre-commit
index d8022a4..861b19a 100755
--- a/.githooks/pre-commit
+++ b/.githooks/pre-commit
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# F∆I Platform — pre-commit hook.
+# Ch∆In — pre-commit hook.
 # Activated via `tools/install-hooks.sh` (sets core.hooksPath=.githooks).
 # Scans staged files for secrets, banned phrases, forbidden filenames.
 # Same script runs in Forgejo CI — see .forgejo/workflows/ci.yml.
diff --git a/tools/install-hooks.sh b/tools/install-hooks.sh
index d5299a0..fbf5efa 100755
--- a/tools/install-hooks.sh
+++ b/tools/install-hooks.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# F∆I Platform — one-time hook activation for this clone.
+# Ch∆In — one-time hook activation for this clone.
 # Points git at the versioned `.githooks/` directory so pre-commit and
 # commit-msg checks run on every commit (including amends and rebases).
 #
diff --git a/tools/security/check-staged.sh b/tools/security/check-staged.sh
index 9768c4f..0ee3ff5 100755
--- a/tools/security/check-staged.sh
+++ b/tools/security/check-staged.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# F∆I Platform — staged-content security check.
+# Ch∆In — staged-content security check.
 # Runs from .githooks/pre-commit, .githooks/commit-msg, and Forgejo CI.
 #
 # Modes:
diff --git a/tools/security/test-check-staged.sh b/tools/security/test-check-staged.sh
index f951ad6..d6c59e4 100755
--- a/tools/security/test-check-staged.sh
+++ b/tools/security/test-check-staged.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-# F∆I Platform — smoke tests for `tools/security/check-staged.sh`.
+# Ch∆In — smoke tests for `tools/security/check-staged.sh`.
 #
 # Spins up an isolated tempdir per scenario, stages a tripwire,
 # and asserts the security script either passes or fails with the