diff --git a/.github/workflows/tests-e2e-distributed.yml b/.github/workflows/tests-e2e-distributed.yml
index d0cf24875..8f17e72f1 100644
--- a/.github/workflows/tests-e2e-distributed.yml
+++ b/.github/workflows/tests-e2e-distributed.yml
@@ -112,9 +112,11 @@ jobs:
     # 509.8s / 512.3s, so 8m29s to 8m32s) on a developer box, and will be slower
     # here. Three specs sit at ~167s each because they wait out a 60s staleness
     # threshold plus a 15s health-check tick (HealthCheckInterval, in
-    # core/services/nodes/health.go, not one of the reconcilers). Do not shorten those windows to make this job faster: the
-    # wait is what stops the assertions from passing before the system could
-    # have reacted, which was a real false green earlier on.
+    # core/config/distributed_config.go; core/services/nodes/health.go runs the
+    # ticker on the unexported checkInterval, not one of the reconcilers). Do
+    # not shorten those windows to make this job faster: the wait is what stops
+    # the assertions from passing before the system could have reacted, which
+    # was a real false green earlier on.
     timeout-minutes: 45
     steps:
       - name: Clone
diff --git a/tests/e2e/distributed/cluster/failure.go b/tests/e2e/distributed/cluster/failure.go
index 9a461eed7..fe808401c 100644
--- a/tests/e2e/distributed/cluster/failure.go
+++ b/tests/e2e/distributed/cluster/failure.go
@@ -78,8 +78,9 @@ func (c *Cluster) KillWorker(i int) error {
 //		Should(BeFalse())
 //
 // FrontendAlive takes an index, so it has to be wrapped in a closure; handing
-// Gomega the method value directly fails with "requested 1 arguments but
-// received 0". Restart
+// Gomega the method value directly fails immediately: Eventually reports that
+// the function it was given takes one argument and none were provided, and
+// points at Eventually().WithArguments(). Restart
 // terminates whatever is still running with SIGKILL, so restarting straight
 // after a SIGTERM cuts the drain short and quietly turns the rolling-update
 // case into the crash case, which is the opposite of what pairing those two
diff --git a/tests/e2e/distributed/cluster_failover_test.go b/tests/e2e/distributed/cluster_failover_test.go
index 2256a16ac..d007a8ae6 100644
--- a/tests/e2e/distributed/cluster_failover_test.go
+++ b/tests/e2e/distributed/cluster_failover_test.go
@@ -155,8 +155,9 @@ func (p *rosterProbe) explainStuckOffline(worker, format string, args ...any) fu
 // Consistently(healthy) passes BECAUSE NOTHING WAS CHECKING, and this helper
 // still succeeds afterwards once the session is reaped and the lock comes free.
 // That wedge is transient rather than permanent, which is exactly the shape the
-// backwards inference cannot see. Low probability, real, and unbounded only by
-// how fast Postgres notices a dead connection.
+// backwards inference cannot see. Low probability, real, and bounded by how
+// fast Postgres reaps the dead backend, usually immediate on a local socket
+// close.
 //
 // So treat this as a floor and not a proof: it rules out a health monitor that
 // is permanently dead, which is the failure that would otherwise make the