diff --git a/spec/functional/FR-001-module-manifest-activates.md b/spec/functional/FR-001-module-manifest-activates.md
index 33e6281..d82dd50 100644
--- a/spec/functional/FR-001-module-manifest-activates.md
+++ b/spec/functional/FR-001-module-manifest-activates.md
@@ -6,7 +6,7 @@ relationships:
   - target: "ix://agent-ix/filament-core-service/FR-035"
     type: "implements"
 ---
-# [FR-001] Module manifest activates against filament-core
+# FR-001: Module manifest activates against filament-core
 
 ## Description
 
diff --git a/spec/functional/FR-002-specreview-archetype.md b/spec/functional/FR-002-specreview-archetype.md
index 5e4767d..f542fe1 100644
--- a/spec/functional/FR-002-specreview-archetype.md
+++ b/spec/functional/FR-002-specreview-archetype.md
@@ -7,7 +7,7 @@ relationships:
     type: "requires"
     cardinality: "1:1"
 ---
-# [FR-002] SpecReview archetype for validated per-analysis review docs
+# FR-002: SpecReview archetype for validated per-analysis review docs
 
 ## Description
 
diff --git a/spec/integration/IT-001-manifest-activation-roundtrip.md b/spec/integration/IT-001-manifest-activation-roundtrip.md
index b4aa057..96c9c4e 100644
--- a/spec/integration/IT-001-manifest-activation-roundtrip.md
+++ b/spec/integration/IT-001-manifest-activation-roundtrip.md
@@ -6,7 +6,7 @@ relationships:
   - target: "ix://agent-ix/spec-artifacts-process/FR-001"
     type: "verifies"
 ---
-# [IT-001] Manifest activation roundtrip
+# IT-001: Manifest activation roundtrip
 
 ## Objective
 
diff --git a/spec/stakeholder/StR-001-module-activation.md b/spec/stakeholder/StR-001-module-activation.md
index b2635ec..9d2e34c 100644
--- a/spec/stakeholder/StR-001-module-activation.md
+++ b/spec/stakeholder/StR-001-module-activation.md
@@ -3,7 +3,7 @@ id: StR-001
 title: "Process artifact templates"
 type: StR
 ---
-# [StR-001] Process artifact templates
+# StR-001: Process artifact templates
 
 ## Stakeholder Need