diff --git a/docs/yap.tex b/docs/yap.tex
index 778f1e13d..24cbdeeb6 100644
--- a/docs/yap.tex
+++ b/docs/yap.tex
@@ -7029,10 +7029,10 @@ can be used to insert @var{Elem} after the Nth element of @var{Rest}.
 @cnindex permutation/2
 True when @var{List} and @var{Perm} are permutations of each other.
 
-@item remove_dups(+@var{List}, ?@var{Pruned})
-@findex remove_dups/2
-@syindex remove_dups/2
-@cnindex remove_dups/2
+@item remove_duplicates(+@var{List}, ?@var{Pruned})
+@findex remove_duplicates/2
+@syindex remove_duplicates/2
+@cnindex remove_duplicates/2
 Removes duplicated elements from @var{List}.  Beware: if the @var{List} has
 non-ground elements, the result may surprise you.
 
diff --git a/library/lists.yap b/library/lists.yap
index 3acf82ec4..dcf3b4562 100644
--- a/library/lists.yap
+++ b/library/lists.yap
@@ -219,7 +219,7 @@ prefix([], _).
 prefix([Elem | Rest_of_part], [Elem | Rest_of_whole]) :- 
   prefix(Rest_of_part, Rest_of_whole).
 
-%   remove_dups(List, Pruned)
+%   remove_duplicates(List, Pruned)
 %   removes duplicated elements from List.  Beware: if the List has
 %   non-ground elements, the result may surprise you.