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1 files changed, 4 insertions, 1 deletions

diff --git a/index.html b/index.html
index 0581d554..5bc909aa 100644
--- a/index.html
+++ b/index.html
@@ -35,8 +35,11 @@ single function or <em>recipe</em>.
 <li>simple examples showing off hardware control: <a href='html/display.mu.html'>display.mu</a>,
 <a href='html/console.mu.html'>console.mu</a>.
 <li><a href='html/screen.mu.html'>screen.mu</a>: example program showing
-print primitives that inject a screen <em>dependency</em> which can be faked
+print primitives that inject a 'screen' <em>dependency</em> which can be faked
 for testing.
+<li><a href='html/filesystem.mu.html'>filesystem.mu</a>: example program
+showing file primitives that inject a 'filesystem' dependency which can be
+faked for testing.
 <li><a href='html/static_dispatch.mu.html'>static_dispatch.mu</a>: example
 program showing mu's ability to define recipes with headers, and allow
 recipes with the same name but different headers to coexist.