diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
index a6d2b54cc7f..b20566fc6e3 100644
--- a/gcc/doc/invoke.texi
+++ b/gcc/doc/invoke.texi
@@ -21641,6 +21641,10 @@ certain passes).
 @item folding
 Enable dumping information about match-and-simplify (match.pd) patterns,
 when they are applied.
+@item alias
+Enable dumping dependence clique information (the base and clique numbers).
+Will only get dumped if it is available. Therefore this option may not do
+anything when dumping earlier passes.
 @item all
 Turn on all options, except @option{raw}, @option{slim}, @option{verbose}
 and @option{lineno}.