diff --git a/genkeys.go b/genkeys.go
index 67e6f3dc6..5b5330664 100644
--- a/genkeys.go
+++ b/genkeys.go
@@ -651,7 +651,7 @@ var androidKeyToDriverKey = map[int]driver.Key{
 }
 `
 
-const mobileGBuildKeysTmpl = `{{.License}}
+const uidriverMobileKeysTmpl = `{{.License}}
 
 {{.DoNotEdit}}
 
@@ -791,7 +791,7 @@ func main() {
 		filepath.Join("internal", "driver", "keys.go"):                 driverKeysTmpl,
 		filepath.Join("internal", "glfw", "keys.go"):                   glfwKeysTmpl,
 		filepath.Join("internal", "uidriver", "glfw", "keys.go"):       uidriverGlfwKeysTmpl,
-		filepath.Join("internal", "uidriver", "mobile", "keys.go"):     mobileGBuildKeysTmpl,
+		filepath.Join("internal", "uidriver", "mobile", "keys.go"):     uidriverMobileKeysTmpl,
 		filepath.Join("internal", "uidriver", "js", "keys_js.go"):      uidriverJsKeysTmpl,
 		filepath.Join("keys.go"):                                       ebitenKeysTmpl,
 		filepath.Join("mobile", "ebitenmobileview", "keys_android.go"): mobileAndroidKeysTmpl,
@@ -817,6 +817,9 @@ func main() {
 		case filepath.Join("internal", "glfw", "keys.go"):
 			buildTag = "//go:build !js" +
 				"\n// +build !js"
+		case filepath.Join("internal", "uidriver", "mobile", "keys.go"):
+			buildTag = "//go:build android || ios" +
+				"\n// +build android ios"
 		case filepath.Join("internal", "uidriver", "glfw", "keys.go"):
 			buildTag = "//go:build !android && !js && !ios" +
 				"\n// +build !android,!js,!ios"
diff --git a/internal/uidriver/mobile/keys.go b/internal/uidriver/mobile/keys.go
index 43b797d27..b26e32b4e 100644
--- a/internal/uidriver/mobile/keys.go
+++ b/internal/uidriver/mobile/keys.go
@@ -14,6 +14,9 @@
 
 // Code generated by genkeys.go using 'go generate'. DO NOT EDIT.
 
+//go:build android || ios
+// +build android ios
+
 package mobile
 
 import (
diff --git a/keys.go b/keys.go
index 5d5e5e952..aca29bc0f 100644
--- a/keys.go
+++ b/keys.go
@@ -23,7 +23,7 @@ import (
 )
 
 // A Key represents a keyboard key.
-// These keys represent pysical keys of US keyboard layout.
+// These keys represent pysical keys of US keyboard.
 // For example, KeyQ represents Q key on US keyboards and ' (quote) key on Dvorak keyboards.
 type Key int