nixpkgs-manual: lib.attrsets.mapAttrsToList returns a list (#122179)

doc/functions/library/attrsets.xml

@@ -855,7 +855,7 @@ lib.attrsets.mapAttrs' (name: value: lib.attrsets.nameValuePair ("foo_" + name)
   <title><function>lib.attrsets.mapAttrsToList</function></title>
 
   <subtitle><literal>mapAttrsToList :: (String -> Any -> Any) ->
-   AttrSet -> Any</literal>
+   AttrSet -> [Any]</literal>
   </subtitle>
 
   <xi:include href="./locations.xml" xpointer="lib.attrsets.mapAttrsToList" />

lib/attrsets.nix

@@ -243,6 +243,10 @@ rec {
   /* Call a function for each attribute in the given set and return
      the result in a list.
 
+     Type:
+       mapAttrsToList ::
+         (String -> a -> b) -> AttrSet -> [b]
+
      Example:
        mapAttrsToList (name: value: name + value)
           { x = "a"; y = "b"; }