spelling check

Author: nhayfield

content/docs/reference/reference.json

@@ -935,7 +935,7 @@
     "id": "grpc-health-check-authority",
     "title": "gRPC Health Check Authority",
     "path": "/routes/load-balancing#grpc-healthcheck-overview",
-    "description": "Specifices the ':authority' header value in a gRPC health check request. Optional.",
+    "description": "Specifies the ':authority' header value in a gRPC health check request. Optional.",
     "type": "string"
   },
   "grpc-health-check-service-name": {