Fixing a broken link.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168372 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/BitCodeFormat.rst b/docs/BitCodeFormat.rst
index bd26f7b..69a815f 100644
--- a/docs/BitCodeFormat.rst
+++ b/docs/BitCodeFormat.rst
@@ -54,9 +54,9 @@
 
 * Abbreviations, which specify compression optimizations for the file.
 
-Note that the `llvm-bcanalyzer <CommandGuide/html/llvm-bcanalyzer.html>`_ tool
-can be used to dump and inspect arbitrary bitstreams, which is very useful for
-understanding the encoding.
+Note that the :doc:`llvm-bcanalyzer <CommandGuide/llvm-bcanalyzer>`
+tool can be used to dump and inspect arbitrary bitstreams, which is very useful
+for understanding the encoding.
 
 .. _magic number: