Add index item.

diff --git a/lispref/intro.texi b/lispref/intro.texi
index 3bae2d6f614570d5c383d54d6fe96074b5f5189d..6b6f7388d3397d228a2baf521c18e40820009967 100644 (file)
--- a/lispref/intro.texi
+++ b/lispref/intro.texi
@@ -49,6 +49,7 @@ specifically to editing.
 
 @node Caveats
 @section Caveats
+@cindex bugs in this manual
 
   This manual has gone through numerous drafts.  It is nearly complete
 but not flawless.  There are a few topics that are not covered, either