diff --git a/management/internals/modules/agentnetwork/settings_etag_test.go b/management/internals/modules/agentnetwork/settings_etag_test.go
index b892ee88c..8245f28be 100644
--- a/management/internals/modules/agentnetwork/settings_etag_test.go
+++ b/management/internals/modules/agentnetwork/settings_etag_test.go
@@ -130,8 +130,8 @@ func TestUpdateSettingsPreconditionSerializesConcurrentWriters(t *testing.T) {
 
 // TestUpdateSettingsUnconditionalIgnoresStaleness pins the back-compatibility
 // half: without a precondition the manager keeps last-write-wins, which is
-// what the dashboard relies on and what every client written before this
-// existed does.
+// what the dashboard relies on and what any client that predates conditional
+// requests does.
 func TestUpdateSettingsUnconditionalIgnoresStaleness(t *testing.T) {
 	ctx := context.Background()
 	f := newBootstrapFixture(t)
diff --git a/management/internals/modules/agentnetwork/types/settings_test.go b/management/internals/modules/agentnetwork/types/settings_test.go
index d911cee27..3ab6c2a39 100644
--- a/management/internals/modules/agentnetwork/types/settings_test.go
+++ b/management/internals/modules/agentnetwork/types/settings_test.go
@@ -131,9 +131,9 @@ func TestSettings_ETagExclusions(t *testing.T) {
 // precision, the validator a bootstrap hands out never matches again and the
 // documented "conditional PUT without an intervening GET" is a permanent 412.
 //
-// Asserted here on the type rather than through a store, so it holds without
-// running the suite against every engine — which is what let this through the
-// first time, since sqlite preserves nanoseconds and every other test uses it.
+// Asserted on the type rather than through a store, so it holds without running
+// the suite against every engine. The sqlite test store preserves nanoseconds,
+// so a sqlite-only suite cannot observe the truncation at all.
 func TestSettings_ETagSurvivesTimestampTruncation(t *testing.T) {
 	inMemory := etagSettings()
 	require.NotZero(t, inMemory.CreatedAt.Nanosecond(), "the fixture must carry sub-second precision to prove anything")