diff --git a/README.md b/README.md
index acf2e0f83..13f8aa2f3 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,9 @@ The official web site is:
 
 ## Installation
 
-See the file '[INSTALL.md](INSTALL.md)'
+See the file ‘[INSTALL.md](INSTALL.md)’. There is
+[separate and more in-depth documentation](./docs/win32-build.md) for building
+GLib on Windows.
 
 ## Supported versions
 
diff --git a/README.win32.md b/docs/win32-build.md
similarity index 100%
rename from README.win32.md
rename to docs/win32-build.md