diff --git a/docs/asset-engine/services.yaml b/docs/asset-engine/services.yaml
index 433aa75..8635e0e 100644
--- a/docs/asset-engine/services.yaml
+++ b/docs/asset-engine/services.yaml
@@ -752,7 +752,7 @@ services:
       Apache-2.0 hybrid diffusion+LLM music generation. Multi-minute lyric-aware
       songs with vocals + instrumentation.
     category: music
-    version: 2
+    version: 3
     host: irv-ml1
     endpoint: http://10.100.79.3:8210/generate
     method: POST
@@ -817,14 +817,22 @@ services:
         section: generation
       - name: scheduler_type
         type: select
-        options: [linear, squared, sqrt]
-        default: linear
+        options: [euler, heun, pingpong]
+        default: euler
         section: generation
+        description: >
+          Flow-matching scheduler. `euler` is the canonical default;
+          `heun` trades 2x compute for higher-order accuracy; `pingpong`
+          is a specialized noise-bouncing variant.
       - name: cfg_type
         type: select
-        options: [none, cfg, cfg_rw]
+        options: [apg, cfg, cfg_star]
         default: cfg
         section: generation
+        description: >
+          Classifier-free guidance variant. `cfg` is the standard formulation;
+          `apg` (adaptive projected guidance) and `cfg_star` are advanced
+          alternatives — see the upstream pipeline source for trade-offs.
       - name: omega_scale
         type: slider
         min: 0.0