Add various documentation indices

[nncp.git] / doc / integration / ppp.texi

diff --git a/doc/integration/ppp.texi b/doc/integration/ppp.texi
index e274cd16c72883545b638a82ee7dbc04803de823..a4ad3cf7c2d4f015347838a67ee438d6914d80b1 100644 (file)
--- a/doc/integration/ppp.texi
+++ b/doc/integration/ppp.texi
@@ -1,4 +1,7 @@
 @node PPP
+@cindex PPP
+@cindex serial link
+@cindex serial connection
 @section Serial connection
 
 It is not trivial to run online @command{nncp-daemon},