Update README.md

Author: alrex

README.md

@@ -1,21 +1,21 @@
 # Github Action to OTLP
 
-This action outputs Github Action workflows and jobs details to OTLP.
+*NOTE: This is still work in progress. Currently it's using the Lightstep Launcher for getting up and going quickly, but I will make this a generic OTLP exporter if there's interest*
+
+This action outputs Github Action workflows and jobs details to OTLP via gRPC.
 
 ## Inputs
 
 ## `endpoint`
 
 **Required** The OTLP endpoint which will receive the data.
 
-## Outputs
-
-## `time`
+## `headers`
 
-The time we greeted you.
+**Optional** Additional header configuration to pass in as metadata to the gRPC connection.
 
 ## Example usage
 
-uses: actions/github-action-to-otlp@v1
+uses: codeboten/github-action-to-otlp@v1
 with:
   endpoint: 'grpc.otlpendpoint.io:443'