diff --git a/README.md b/README.md
index ba75088..c974709 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,7 @@
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+
protobuf |
@@ -49,7 +50,7 @@ options:
-h, --help [optional, false]
show this help screen
-p, --protoset [required]
- filename name of proto descriptor set
+ filename of proto descriptor set
-f, --file [required]
filename of entrypoint starlark script
(conventionally named *.grpc.star)
diff --git a/pkg/program/config.go b/pkg/program/config.go
index 549a03b..6c3a64c 100644
--- a/pkg/program/config.go
+++ b/pkg/program/config.go
@@ -48,7 +48,7 @@ options:
-h, --help [optional, false]
show this help screen
-p, --protoset [required]
- filename name of proto descriptor set
+ filename of proto descriptor set
-f, --file [required]
filename of entrypoint starlark script
(conventionally named *.grpc.star)