diff --git a/fleetd/src/test/java/dev/ltms/fleet/session/GitWorktreesTest.java b/fleetd/src/test/java/dev/ltms/fleet/session/GitWorktreesTest.java
index 971eeb6..e07d3da 100644
--- a/fleetd/src/test/java/dev/ltms/fleet/session/GitWorktreesTest.java
+++ b/fleetd/src/test/java/dev/ltms/fleet/session/GitWorktreesTest.java
@@ -1529,7 +1529,15 @@ class GitWorktreesTest {
      * an empty, machine-independent {@code XDG_CONFIG_HOME} (so the fallback resolves to a file that
      * provably does not exist) plus the same {@code GIT_CONFIG_GLOBAL}/{@code GIT_CONFIG_SYSTEM}/
      * {@code GIT_TERMINAL_PROMPT} isolation the {@link #git}/{@link #gitOutput} helpers already use
-     * for repo setup — so no test in this class can reach the real machine's home directory.
+     * for repo setup.
+     *
+     * <p>Scope, measured on the fleetd #369 merge and narrower than an earlier version of this
+     * comment claimed: this protects the 5 {@link #seedingGitWorktrees} sites plus — through
+     * {@link #gitProcessBuilder} — every {@code git} subprocess the TEST itself starts. It does
+     * NOT cover the other 53 {@code new GitWorktrees(...)} constructions in this file, which pass
+     * no env override, so a production instance built that way still inherits the JVM's real
+     * environment. Stripping this override from {@code seedingGitWorktrees} leaves the class green
+     * both with and without the poison command above, so that half is currently unpinned.
      */
     private static Map<String, String> hermeticGitEnv(Path tmp) {
         return Map.of(