diff --git a/README b/README
index 4e1fbc89..08f17dff 100644
--- a/README
+++ b/README
@@ -27,6 +27,7 @@
 
   Or, if you have the Node Package Manager installed:
   npm install -g coffee-script
+  (Leave off the -g if you don't wish to install globally.)
 
   Compile a script:
   coffee /path/to/script.coffee
diff --git a/documentation/index.html.erb b/documentation/index.html.erb
index 3ee80347..b9c75c5e 100644
--- a/documentation/index.html.erb
+++ b/documentation/index.html.erb
@@ -166,17 +166,21 @@
     </p>
 
     <pre>
-npm install coffee-script</pre>
+npm install -g coffee-script</pre>
 
-  <p>
-    If you'd prefer to install the latest master version of CoffeeScript, you
-    can clone the CoffeeScript
-    <a href="http://github.com/jashkenas/coffee-script">source repository</a>
-    from GitHub, or download
-    <a href="http://github.com/jashkenas/coffee-script/tarball/master">the source</a> directly.
-    To install the CoffeeScript compiler system-wide
-    under <tt>/usr/local</tt>, open the directory and run:
-  </p>
+    <p>
+      (Leave off the <tt>-g</tt> if you don't wish to install globally.)
+    </p>
+    
+    <p>
+      If you'd prefer to install the latest master version of CoffeeScript, you
+      can clone the CoffeeScript
+      <a href="http://github.com/jashkenas/coffee-script">source repository</a>
+      from GitHub, or download
+      <a href="http://github.com/jashkenas/coffee-script/tarball/master">the source</a> directly.
+      To install the CoffeeScript compiler system-wide
+      under <tt>/usr/local</tt>, open the directory and run:
+    </p>
 
   <pre>
 sudo bin/cake install</pre>