diff --git a/v2/llsq/tacsa.c b/v2/llsq/tacsa.c
index 277f50fb4efa37640f5f1e2c2d19a5a12dbc8243..806e8a1f506ad4ef63df0b5ca44660d4f0b3bd4d 100644
--- a/v2/llsq/tacsa.c
+++ b/v2/llsq/tacsa.c
@@ -63,7 +63,7 @@ static char *info[] = {
   "In the optional SA file, the weights for each k2-derived basis functions",
   "are listed in TAC format.",
   " ",
-  "See also: fitdelay, bfmh2o, lhsol",
+  "See also: fitdelay, bfmh2o, lhsol, hist2svg",
   " ",
   "Keywords: TAC, modelling, compartmental model, LLSQ",
   0};