diff --git a/README.markdown b/README.markdown
index 15cd6f7..c15c450 100644
--- a/README.markdown
+++ b/README.markdown
@@ -35,7 +35,7 @@ the `src/` directory. To build Prototype, you'll need:
* a copy of the Prototype source tree, either from a distribution tarball or
from the Git repository (see below)
* Ruby 1.8.2 or higher ()
-* Rake -- Ruby Make ()
+* Rake--Ruby Make ()
* RDoc, if your Ruby distribution does not include it
From the root Prototype directory,