diff --git a/cmd/mesh-host/enrol_seat.go b/cmd/mesh-host/enrol_seat.go
index 94cb23b..41adf93 100644
--- a/cmd/mesh-host/enrol_seat.go
+++ b/cmd/mesh-host/enrol_seat.go
@@ -14,7 +14,7 @@ import (
 	"github.com/novox/mesh-host/internal/link"
 )
 
-// enrolThroughSeat joins this machine through the seat mesh-enrolment (novox/hq ADR 0587 §6, issue 774): it redeems the token
+// enrolThroughSeat joins this machine through the seat mesh-node-enroller (novox/hq ADR 0587 §6, issue 774): it redeems the token
 // with the keys it made, verifies the vault's signed answer against the key the token carries before it keeps anything, keeps
 // its membership and its login, dials as the login node-logins names and confirms. A bus that does not serve the seat to this
 // token (link.ErrNoSeat) is said as the error: nothing was sent or kept.
@@ -64,7 +64,7 @@ func enrolThroughSeat(ctx context.Context, opts options, token identity.Token, n
 	if err != nil {
 		return err
 	}
-	fmt.Printf("\nenrolled as %s through the seat mesh-enrolment, dialled as %s and confirmed\n", answer.Node, answer.Login)
+	fmt.Printf("\nenrolled as %s through the seat mesh-node-enroller, dialled as %s and confirmed\n", answer.Node, answer.Login)
 	fmt.Printf("  identity   %s\n", identityPath)
 	fmt.Println("  nothing is applied until the placement of this node names a module")
 	return nil
diff --git a/cmd/mesh-host/main.go b/cmd/mesh-host/main.go
index 0d03f6b..0076dc4 100644
--- a/cmd/mesh-host/main.go
+++ b/cmd/mesh-host/main.go
@@ -819,7 +819,7 @@ func enrol(ctx context.Context, opts options) error {
 	detected := profile.Detect(ctx, profile.Default(nil), opts.timeout)
 	reported := profileAsReported(detected)
 
-	// Through the seat mesh-enrolment (novox/hq ADR 0587 §6), the one way in: the controller's enrolment subject ended
+	// Through the seat mesh-node-enroller (novox/hq ADR 0587 §6), the one way in: the controller's enrolment subject ended
 	// with the controller (issue 1126).
 	return enrolThroughSeat(ctx, opts, token, *name, mine, sealing, serving, reported, found, identityPath)
 }
diff --git a/cmd/mesh-host/trust.go b/cmd/mesh-host/trust.go
index 3d3b963..11e0ad3 100644
--- a/cmd/mesh-host/trust.go
+++ b/cmd/mesh-host/trust.go
@@ -173,7 +173,7 @@ func followTrust(ctx context.Context, session *link.Session, trust *meshTrust, s
 	}
 }
 
-// placedAllHave says whether every module the seat mesh-placement places on node has a have of its own, read from the
+// placedAllHave says whether every module the seat mesh-module-assigner places on node has a have of its own, read from the
 // bus: then the kept declaration is read no more (keptRetired). A node the seat does not place, or whose placement or haves
 // cannot be read, keeps reading it.
 func placedAllHave(ctx context.Context, session *link.Session, node string) (bool, string) {
@@ -228,7 +228,7 @@ func placedModules(node string, values map[string][]byte) (delivery.Placement, e
 // apply refused from then on).
 func allHave(p delivery.Placement, has func(module string) (delivery.Have, bool, error)) (bool, string) {
 	if len(p.Modules) == 0 {
-		return false, "the seat mesh-placement places no module here"
+		return false, "the seat mesh-module-assigner places no module here"
 	}
 	for _, m := range p.Modules {
 		h, ok, err := has(m.Module)
diff --git a/internal/compose/frombus/frombus.go b/internal/compose/frombus/frombus.go
index a7e887c..9d5c171 100644
--- a/internal/compose/frombus/frombus.go
+++ b/internal/compose/frombus/frombus.go
@@ -2,13 +2,13 @@
 // and the grants part compose with one composer over the same inputs (novox/hq ADR 0547 §2, ADR 0549 §3; issue 1126).
 //
 // **One composer, three callers.** compose.Compositions is the composer; Input is how each caller fills its
-// compose.Input from the bus: the node agent for its own node (ADR 0547 §2), the seat mesh-placement's holder judging a
+// compose.Input from the bus: the node agent for its own node (ADR 0547 §2), the seat mesh-module-assigner's holder judging a
 // proposal for every node (ADR 0567 §4), and the grants part (ADR 0547 §5). Each reads the bus with its own credential
 // through a Reader, so this package holds no bus client, no store and no timer: what it is given is all it reads.
 //
 // **What it reads, and from whom.**
 //   - which modules run on each node, with their pins, holdings, host ports, bindings and settings placement: the
-//     seat mesh-placement's state `placement`, one key per node (ADR 0567 §1);
+//     seat mesh-module-assigner's state `placement`, one key per node (ADR 0567 §1);
 //   - what a person decided of each node (its endpoint, site, hub, address on the private network, public domain and
 //     accounts): the same placement key, Placement.Decided;
 //   - what each node observes of itself (its tunnel key, capabilities, keys, certificate, links and networks): the
diff --git a/internal/compose/resolution/placement_seat.go b/internal/compose/resolution/placement_seat.go
index 1861c91..e2915ec 100644
--- a/internal/compose/resolution/placement_seat.go
+++ b/internal/compose/resolution/placement_seat.go
@@ -12,9 +12,9 @@ func placementVerbs() []mcat.Verb {
 		"place (node, module, ports, bindings), take-off (node, module), pin (node, provision, provider {node, module}), " +
 		"unpin (node, provision), hold (node, module, claim, scope, kind, site), unhold (node, module, claim), decide " +
 		"(node, field, value: a decided field of the node, its address among them), config (node, module, mesh-wide, " +
-		"layer, mesh-wide-values, values), add-node (node, decided, keys: a joining node, mesh-enrolment's alone, the " +
+		"layer, mesh-wide-values, values), add-node (node, decided, keys: a joining node, mesh-node-enroller's alone, the " +
 		"proposal's one change, with the enrolment's warrant, its tunnel key alone at the operator's yes; ADR 0587 §7), " +
-		"remove-node (node: a joining node never confirmed, taken off when its enrolment ends; mesh-enrolment's alone, " +
+		"remove-node (node: a joining node never confirmed, taken off when its enrolment ends; mesh-node-enroller's alone, " +
 		"on the same warrant)",
 		"items": map[string]any{"type": "object", "required": []string{"op", "node"}}}
 	return []mcat.Verb{
@@ -36,7 +36,7 @@ func placementVerbs() []mcat.Verb {
 			"on one host port, a provider not placed, a seat held once held twice, two nodes with one address, two " +
 			"hubs, a module the indexer does not hold, a node with no record). Otherwise the nodes it touches compose " +
 			"it in shadow and answer, and on a passing verdict the operator is asked to approve it. Who proposes is the " +
-			"caller, as the runtime proves it. An add-node from mesh-enrolment, whose warrant names its node and address, " +
+			"caller, as the runtime proves it. An add-node from mesh-node-enroller, whose warrant names its node and address, " +
 			"is written with no ask of its own: its Approve is the enrolment's (ADR 0587 §7).",
 			Input: map[string]any{"type": "object", "additionalProperties": false, "required": []string{"why", "changes"},
 				"properties": map[string]any{
diff --git a/internal/link/enrol.go b/internal/link/enrol.go
index da23fe2..30a88d4 100644
--- a/internal/link/enrol.go
+++ b/internal/link/enrol.go
@@ -6,7 +6,7 @@ import (
 )
 
 // What a joining machine keeps of the enrolment's words: the tunnel it found, as it travels, and how long it asks
-// while the seat mesh-enrolment says to ask again (Redeem). The enrolment through the controller's subject on the
+// while the seat mesh-node-enroller says to ask again (Redeem). The enrolment through the controller's subject on the
 // CONTROL stream ended with the controller (issue 1126).
 
 // Approach is how a node reaches a mesh it does not yet belong to: the address, the certificate that address must
diff --git a/internal/link/enrol_seat.go b/internal/link/enrol_seat.go
index d6eb34f..0400a1f 100644
--- a/internal/link/enrol_seat.go
+++ b/internal/link/enrol_seat.go
@@ -15,7 +15,7 @@ import (
 	"git.novox.be/novox/mesh-sdk/go/delivery"
 )
 
-// Joining a mesh through the seat mesh-enrolment (novox/hq ADR 0587 §6, issue 774): the node-engine dials the bus as enrol.<node>
+// Joining a mesh through the seat mesh-node-enroller (novox/hq ADR 0587 §6, issue 774): the node-engine dials the bus as enrol.<node>
 // with the certificate's fingerprint pinned, calls `redeem` with the public halves of the keys it made where it runs and a
 // proof signed with its identity key, refuses an answer not signed by the key its token carries, keeps its membership, dials
 // again as the login node-logins names for it, and calls `confirm`. It is the one way in: the controller's enrolment subject
@@ -23,7 +23,7 @@ import (
 
 // EnrolmentSeat is the seat that adopts a new machine, and its two verbs a node-engine calls.
 const (
-	EnrolmentSeat    = "mesh-enrolment"
+	EnrolmentSeat    = "mesh-node-enroller"
 	EnrolmentRedeem  = "redeem"
 	EnrolmentConfirm = "confirm"
 )
@@ -35,7 +35,7 @@ func CalledSeatSubject(seat, verb, user string) string {
 
 // ErrNoSeat is the bus saying nothing serves the seat for this caller: the enrolment user may not publish the seat's call, or
 // no holder answers it.
-var ErrNoSeat = errors.New("the seat mesh-enrolment is not served to this machine's token")
+var ErrNoSeat = errors.New("the seat mesh-node-enroller is not served to this machine's token")
 
 // VerifyRedeemAnswer holds an answer to what it must be before anything is kept (ADR 0587 §6): it names the node asked for,
 // carries the signing key the token carries, and is signed by that key under the context of an enrolment's answer. An answer
@@ -187,7 +187,7 @@ func (j Joining) Run(ctx context.Context) (delivery.RedeemAnswer, error) {
 		return answer, fmt.Errorf("node-logins names %s for this node and the answer gave it %s: it is not confirmed", nl.Login, answer.Login)
 	}
 	if err := c.Confirm(ctx); err != nil {
-		return answer, fmt.Errorf("the enrolment is redeemed and not confirmed (a person ends it with mesh-enrolment.revoke): %w", err)
+		return answer, fmt.Errorf("the enrolment is redeemed and not confirmed (a person ends it with mesh-node-enroller.revoke): %w", err)
 	}
 	return answer, nil
 }
diff --git a/internal/link/enrol_seat_test.go b/internal/link/enrol_seat_test.go
index b1393a9..4217e44 100644
--- a/internal/link/enrol_seat_test.go
+++ b/internal/link/enrol_seat_test.go
@@ -98,7 +98,7 @@ func TestTheEngineKeepsOnlyAnAnswerSignedByTheKeyItsTokenCarries(t *testing.T) {
 	if _, err := j.Run(ctx); err == nil || slices.Contains(steps, "confirm") {
 		t.Errorf("a key naming another login was confirmed: %v, %v", err, steps)
 	}
-	if CalledSeatSubject("mesh-enrolment", "redeem", "enrol.ace") != "mesh.seat.mesh-enrolment.call.redeem.enrol~ace" {
+	if CalledSeatSubject("mesh-node-enroller", "redeem", "enrol.ace") != "mesh.seat.mesh-node-enroller.call.redeem.enrol~ace" {
 		t.Error("the call's subject does not name its caller as the composer grants it")
 	}
 }