update reference.json

Author: kralicky

content/docs/reference/reference.json

@@ -549,14 +549,35 @@
   "tracing-provider": {
     "id": "tracing-provider",
     "title": "Tracing Provider",
-    "description": "The name of the tracing provider. For example, Jaeger or Zipkin. Required.",
+    "description": "The name of the tracing provider.",
+    "path": "/tracing",
+    "services": []
+  },
+  "tracing-otlp-endpoint": {
+    "id": "tracing-otlp-endpoint",
+    "title": "Tracing Provider",
+    "description": "Endpoint URL for OTLP trace data. Required.",
+    "path": "/tracing",
+    "services": []
+  },
+  "tracing-otlp-protocol": {
+    "id": "tracing-otlp-protocol",
+    "title": "Tracing Provider",
+    "description": "Transport protocol to be used for OTLP trace data.",
     "path": "/tracing",
     "services": []
   },
   "tracing-sample-rate": {
     "id": "tracing-sample-rate",
     "title": "Tracing Sample Rate",
-    "description": "The percentage of requests to sample in decimal notation. Default is 0.0001, or .01%. Optional.",
+    "description": "The percentage of requests to sample. Default is 100%.",
+    "path": "/tracing",
+    "services": []
+  },
+  "tracing-headers": {
+    "id": "tracing-headers",
+    "title": "OTLP Export Headers",
+    "description": "Key=Value headers to add to all outgoing trace export requests",
     "path": "/tracing",
     "services": []
   },