diff --git a/README.rst b/README.rst
index 0a6e276..e8da5cc 100644
--- a/README.rst
+++ b/README.rst
@@ -7,6 +7,10 @@ if you just want GCC and related tools.
 So, here's the PackageMaker files for creating a minimal installer,
 extracted from the Xcode packages yourself!
 
+To create the package, place the appropriate Xcode Installer package
+(Install Xcode.app) in the root directory of your repository, and open
+the appropriate .pmdoc to build!
+
 Downloads
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