diff --git a/runtime/doc/eval.txt b/runtime/doc/eval.txt
index de142ee..35e5670 100644
--- a/runtime/doc/eval.txt
+++ b/runtime/doc/eval.txt
@@ -7023,7 +7023,10 @@
 			freed.
 
 		If {action} is not present or is set to ' ', then a new list
-		is created.
+		is created. The new quickfix list is added after the current
+		quickfix list in the stack and all the following lists are
+		freed. To add a new quickfix list at the end of the stack,
+		set "nr" in {what} to '$'.
 
 		If the optional {what} dictionary argument is supplied, then
 		only the items listed in {what} are set. The first {list}