diff --git a/Installation.md b/Installation.md
index 73f14b6..7c06b41 100644
--- a/Installation.md
+++ b/Installation.md
@@ -17,7 +17,7 @@ If you don't want to recompile every time when you run your game, you can instal
 go install github.com/hajimehoshi/ebiten/...
 ```
 
-# Modules (Go 1.11)
+# Modules (Go 1.11 and later)
 
 As of Go 1.11, modules are introduced experimentally. You can work with Ebiten without GOPATH environment variable. If you want to use Ebiten with modules, execute these commands with Go 1.11: