diff --git a/protoc-gen-grpc-gateway/descriptor/registry.go b/protoc-gen-grpc-gateway/descriptor/registry.go
index 6e29486b1c9..4f62317612f 100644
--- a/protoc-gen-grpc-gateway/descriptor/registry.go
+++ b/protoc-gen-grpc-gateway/descriptor/registry.go
@@ -22,7 +22,7 @@ type Registry struct {
 	// files is a mapping from file path to descriptor
 	files map[string]*File
 
-	// prefix is a prefix to be inserted to golang pacakge paths generated from proto package names.
+	// prefix is a prefix to be inserted to golang package paths generated from proto package names.
 	prefix string
 
 	// pkgMap is a user-specified mapping from file path to proto package.