diff --git a/hpcgap/lib/helpbase.gi b/hpcgap/lib/helpbase.gi
index fe9de8ebe2..c802ca2dc7 100644
--- a/hpcgap/lib/helpbase.gi
+++ b/hpcgap/lib/helpbase.gi
@@ -1404,13 +1404,13 @@ atomic readwrite HELP_REGION do
 
   # if the topic is 'chapters' display the table of chapters
   elif str = "chapters"  or str = "contents" or book <> "" and str = "" then
-      if ForAll(books, b->  HELP_SHOW_CHAPTERS(b)) then
+      if ForAll(books, HELP_SHOW_CHAPTERS) then
         add( books, "chapters", "chapters" );
       fi;
 
   # if the topic is 'sections' display the table of sections
   elif str = "sections"  then
-      if ForAll(books, b-> HELP_SHOW_SECTIONS(b)) then
+      if ForAll(books, HELP_SHOW_SECTIONS) then
         add(books, "sections", "sections");
       fi;
 
diff --git a/hpcgap/lib/vecmat.gi b/hpcgap/lib/vecmat.gi
index 496c536b61..e732be8ed7 100644
--- a/hpcgap/lib/vecmat.gi
+++ b/hpcgap/lib/vecmat.gi
@@ -1745,6 +1745,11 @@ InstallMethod( ImmutableVector,"general,2",[IsObject,IsRowVector],0,
 function(f,v)
   local v2;
   if not IsInt(f) then f := Size(f); fi;
+  # 'IsRowVector' implies 'IsList'.
+  # We are not allowed to return a non-list,
+  # thus we are not allowed to call 'Vector'.
+  # Since there is a method for 'IsVectorObj' as the second argument,
+  # we do not deal with proper vector objects here.
   if f <= 256 then
     v2 := CopyToVectorRep(v,f);
     if v2 <> fail then v := v2; fi;