From 7687f95d7700145a002aa48157cc10cb36a42778 Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Wed, 20 Jan 2016 15:49:37 +0100
Subject: [PATCH] clarifying comment

---
 pdns/cachecleaner.hh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pdns/cachecleaner.hh b/pdns/cachecleaner.hh
index 0cb1cfcbe..dad2ebfdf 100644
--- a/pdns/cachecleaner.hh
+++ b/pdns/cachecleaner.hh
@@ -58,7 +58,7 @@ template <typename T> void pruneCollection(T& collection, unsigned int maxCached
   sidx.erase(iter, eiter);      // just lob it off from the beginning
 }
 
-
+// note: this expects iterator from first index, and sequence MUST be second index!
 template <typename T> void moveCacheItemToFrontOrBack(T& collection, typename T::iterator& iter, bool front)
 {
   typedef typename T::template nth_index<1>::type sequence_t;
-- 
2.40.0