diff --git a/README.md b/README.md
index 61fe34c..b971957 100644
--- a/README.md
+++ b/README.md
@@ -160,6 +160,12 @@ grpcurl -H header1:value1 -H header2:value2 -d '{"id": 1234, "tags": ["foo","bar
 ```
 For more usage guide, check out the help docs via `grpcurl -help`
 
+Sometimes it might be necessary to read the payload from a file. This worked for some users:
+
+```shell
+grpcurl -d "$(cat my.json)" grpc.server.com:443 my.custom.server.Service/Method
+```
+
 ### Listing Services
 To list all services exposed by a server, use the "list" verb. When using `.proto` source
 or protoset files instead of server reflection, this lists all services defined in the