diff --git a/src/lib/builtins.pl b/src/lib/builtins.pl
index b62632183..aecfb5729 100644
--- a/src/lib/builtins.pl
+++ b/src/lib/builtins.pl
@@ -766,6 +766,9 @@
     read_term(Stream, Term, []).
     % read(Stream, Term).
 
+%% read(+Stream, -Term).
+%
+% Same as read_term/3 with all default options.
 read(Stream, Term) :-
     read_term(Stream, Term, []).