fix doc

Author: jaydeluca

docs/contributing/weaver.md

@@ -16,9 +16,9 @@ instrumentation/<module-name>/
 ├── models/                       # Scaffolded / Generated by the DocGenerater task
 │   ├── registry_manifest.yaml    # Registry metadata and dependencies
 │   ├── signals.yaml              # Metrics and spans definitions
-│   └── attributes.yaml           # (Optional) Attribute group definitions
+│   └── attributes.yaml           # Attribute group definitions
 └── docs/                         # Generated documentation goes here
-    └── README.md                 # Auto-generated
+    └── signals.md                # Auto-generated
 ```
 
 ## Usage
@@ -52,7 +52,7 @@ instrumentation/<module-name>/
 ## Output
 
 Generated documentation will appear in:
-- `instrumentation/<module-name>/docs/README.md`
+- `instrumentation/<module-name>/docs/signals.md`
 
 ## Manually Adding Weaver Support to a New Module