diff --git a/src/scribe/routes/lessons.py b/src/scribe/routes/lessons.py
index f3f11b5f..5af0ad65 100644
--- a/src/scribe/routes/lessons.py
+++ b/src/scribe/routes/lessons.py
@@ -7,18 +7,16 @@ contract and the `data` mirror live in one place — the same division snippets
 use, and for the same reason: two doors that each compose a lesson would
 compose it two ways, and the document IS what ranks.
 
-ACL (rule #78): reads and writes of a single lesson resolve through the
+ACL: reads and writes of a single lesson resolve through the
 share-aware `get_lesson` / `can_write_note`, and writes are performed as the
 OWNER so a shared editor isn't rejected by the owner-scoped service —
 mirroring routes/snippets.py and routes/notes.py.
 
 WHY THE TRIGGER IS A NAMED FIELD HERE TOO. The web editor could have posted a
-body and let the service parse it. It doesn't, because the evidence behind
-this kind (step 1) is that a trigger gets filled when a door ASKS for it by
-name — the snippet corpus is at 100% on its trigger with no guard anywhere,
-because a service composes the title from a parameter. A form that offered one
-markdown box would be the option milestone 385 rejected, wearing a different
-hat.
+body and let the service parse it. It doesn't, because a trigger gets filled
+when a door ASKS for it by name — a field the service composes from a named
+parameter is filled every time, with no guard anywhere, and a single markdown
+box is not.
 """
 import logging
 
@@ -63,7 +61,7 @@ async def list_lessons_route():
         project_id = None
     limit, offset = parse_pagination(default_limit=24, max_limit=100)
 
-    # The lessons nobody has answered "which rule?" for (#4631). A listing,
+    # The lessons nobody has answered "which rule?" for. A listing,
     # so it does not combine with a search — the MCP door says the same.
     if request.args.get("unjudged") in ("1", "true"):
         if q:
@@ -87,7 +85,6 @@ async def list_lessons_route():
     # construction. Every row gets the key, zero-filled, so the UI renders
     # "never surfaced" rather than treating a missing field as a state.
     #
-    # Lessons were the one kind collecting this and showing it nowhere (#4196).
     # The counts matter more here than on a snippet: the promotion question a
     # lesson eventually raises — does this bind? — is answered by repeatedly
     # surfaced AND repeatedly opened, and the far commoner reading of the same
@@ -122,8 +119,7 @@ async def lessons_taught_by_route(record_id: int):
 @lessons_bp.route("/rule-candidates", methods=["GET"])
 @login_required
 async def lesson_rule_candidates_route():
-    """The rules a lesson being written resembles, BEFORE it is saved
-    (milestone 440, #4658).
+    """The rules a lesson being written resembles, BEFORE it is saved.
 
     The create door offers the same list in its reply when neither answer was
     given. A form needs it earlier, so the writer can name the rule in the
@@ -178,7 +174,7 @@ async def create_lesson_route():
 
     project_id = data.get("project_id") or None
     learned_from = data.get("learned_from") or []
-    # The rules this lesson is an instance of (milestone 440). Validated before
+    # The rules this lesson is an instance of. Validated before
     # anything is written, as the MCP door does, so a bad id saves nothing.
     no_rule = (data.get("no_rule") or "").strip()
     try:
@@ -264,7 +260,7 @@ async def get_lesson_route(lesson_id: int):
     await lesson_rules_svc.attach_lesson_rules(uid, [out])
     # Opening the detail view IS a pull — the operator chose to look. Tagged
     # apart from the MCP sources so "an agent was handed it" and "a human read
-    # it" stay distinguishable; they mean different things for pruning (#2085).
+    # it" stay distinguishable; they mean different things for pruning.
     record_pulled(user_id=uid, note_id=lesson_id, source="rest_lesson")
     return jsonify(out)
 
@@ -322,7 +318,7 @@ async def update_lesson_route(lesson_id: int):
     if no_rule:
         await lesson_rules_svc.set_no_rule(uid, lesson_id, no_rule)
     if data.get("system_ids") is not None:
-        # The CALLER, not owner_uid (#4249). `set_record_systems` runs its own
+        # The CALLER, not owner_uid. `set_record_systems` runs its own
         # `can_write_note` and links only Systems the acting user can read;
         # handing it the owner makes that check trivially pass and filters by
         # the owner's visibility instead. The caller's write permission is
@@ -331,7 +327,7 @@ async def update_lesson_route(lesson_id: int):
         await systems_svc.set_record_systems(uid, lesson_id, data["system_ids"])
     out = lessons_svc.lesson_to_dict(updated)
     if no_rule:
-        # The same nudge the MCP door gives (#4634): this answer may complete
+        # The same nudge the MCP door gives: this answer may complete
         # a group of no-rule lessons in one situation.
         group = await lesson_rules_svc.convergence_for(uid, lesson_id)
         if group: