diff --git a/doc/utils.texi b/doc/utils.texi
index 0c4f146f4f..76e704fc3c 100644
--- a/doc/utils.texi
+++ b/doc/utils.texi
@@ -815,7 +815,7 @@ Compute arcsine of @var{x}.
 @item atan(x)
 Compute arctangent of @var{x}.
 
-@item atan2(x, y)
+@item atan2(y, x)
 Compute principal value of the arc tangent of @var{y}/@var{x}.
 
 @item between(x, min, max)