diff --git a/examples/deepcopy-gen/main.go b/examples/deepcopy-gen/main.go
index 53d1ee36..a77df42a 100644
--- a/examples/deepcopy-gen/main.go
+++ b/examples/deepcopy-gen/main.go
@@ -32,7 +32,7 @@ limitations under the License.
 //
 // All generation is governed by comment tags in the source.  Any package may
 // request DeepCopy generation by including a comment in the file-comments of
-// one file, of the form:
+// a doc.go file, of the form:
 //   // +k8s:deepcopy-gen=package
 //
 // DeepCopy functions can be generated for individual types, rather than the