diff --git a/samples/protoc-gen-extensions/README.md b/samples/protoc-gen-extensions/README.md
index b3d843d..626a9c0 100644
--- a/samples/protoc-gen-extensions/README.md
+++ b/samples/protoc-gen-extensions/README.md
@@ -25,7 +25,7 @@ message OperationInfo {
 }
 ```
 
-Note that the option is a `MethodOption` and that field number `1049` was assigned to it.
+Note that the extension is a `MethodOption` extension and that field number `1049` was assigned to it.
 The extension is used on methods like this, see [../protos/acme/library/v1/library.proto](../protos/acme/library/v1/library.proto):
 
 ```proto