diff --git a/docs/index.md b/docs/index.md
index 2183bad..de3beb5 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,3 +1,3 @@
 # OCFL Community Extensions	
 
-  * [0001: Digest Algorithms](0001-digest-algorithms)
\ No newline at end of file
+  * [0001: Digest Algorithms](0001-digest-algorithms.md)