diff --git a/docs/index.html b/docs/index.html
index 78100021170..f3dcb18500e 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -218,7 +218,8 @@ reducer description and usage information.</li>
 describes the design and configuration of the LLVM compiler driver tool,
 <tt>llvmc</tt>.</li>
 
-<li><a href="BitCodeFormat.html">LLVM Bitcode File Format</a></li>
+<li><a href="BitCodeFormat.html">LLVM Bitcode File Format</a> - This describes 
+the file format and encoding used for LLVM "bc" files.</li>
 
 <li><a href="SystemLibrary.html">System Library</a> - This document describes
 the LLVM System Library (<tt>lib/System</tt>) and how to keep LLVM source code