diff --git a/doc/go_spec.html b/doc/go_spec.html
index d6c7962a961..514f60007b6 100644
--- a/doc/go_spec.html
+++ b/doc/go_spec.html
@@ -1,6 +1,6 @@
@@ -7383,8 +7383,8 @@ The values x are passed to a parameter of type ...E
where E is the element type of S
and the respective parameter
passing rules apply.
-As a special case, append also accepts a first argument assignable
-to type []byte with a second argument of string type followed by
+As a special case, append also accepts a slice whose type is assignable to
+type []byte with a second argument of string type followed by
....
This form appends the bytes of the string.