diff --git a/README.md b/README.md
index e037237..7baf0aa 100644
--- a/README.md
+++ b/README.md
@@ -212,6 +212,10 @@ the tests are always running and the docs are always in sync:
 
     cp pre-commit.sh .git/hooks/pre-commit
 
+Oh, and don't edit `README.md` directly, it is generated.
+Change `readme-prefix.md` and `readme-postfix.md` instead,
+or if need be, the `examples-to-docs.el` logic.
+
 ## License
 
 Copyright (C) 2012 Magnar Sveen, Joel McCracken
diff --git a/readme-postfix.md b/readme-postfix.md
index d0e6247..c3a9786 100644
--- a/readme-postfix.md
+++ b/readme-postfix.md
@@ -13,6 +13,10 @@ the tests are always running and the docs are always in sync:
 
     cp pre-commit.sh .git/hooks/pre-commit
 
+Oh, and don't edit `README.md` directly, it is generated.
+Change `readme-prefix.md` and `readme-postfix.md` instead,
+or if need be, the `examples-to-docs.el` logic.
+
 ## License
 
 Copyright (C) 2012 Magnar Sveen, Joel McCracken