diff --git a/internal/shaderir/pssl/pssl.go b/internal/shaderir/pssl/pssl.go
index 2f5c4ba1e..b3f5570ce 100644
--- a/internal/shaderir/pssl/pssl.go
+++ b/internal/shaderir/pssl/pssl.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-// The actual implementation will be provided by -overlay.
+// The actual implementation will be provided by github.com/hajimehoshi/uwagaki.
 
 package pssl
 
diff --git a/playstation5/doc_playstaton5.go b/playstation5/doc_playstaton5.go
index e718d9478..310a16b63 100644
--- a/playstation5/doc_playstaton5.go
+++ b/playstation5/doc_playstaton5.go
@@ -17,4 +17,4 @@
 // Package playstation5 provides utilities for PlayStation 5.
 package playstation5
 
-// The actual implementation will be provided by another repository using the -overlay option.
+// The actual implementation will be provided by another repository using github.com/hajimehoshi/uwagaki.