[master] 5b7ec8b Clarify description of fetch_failed counter.

[Poul-Henning Kamp]

commit 5b7ec8b1535fdb78a5af60666af84666498ed0d9
Author: Poul-Henning Kamp <phk at FreeBSD.org>
Date:   Fri Jan 13 09:54:27 2017 +0000

    Clarify description of fetch_failed counter.
    
    Fixes #1704

diff --git a/include/tbl/vsc_f_main.h b/include/tbl/vsc_f_main.h
index 7dbc87d..6d9b369 100644
--- a/include/tbl/vsc_f_main.h
+++ b/include/tbl/vsc_f_main.h
@@ -199,7 +199,7 @@ VSC_FF(fetch_304,		uint64_t, 1, 'c', 'i', info,
 )
 
 VSC_FF(fetch_failed,		uint64_t, 1, 'c', 'i', info,
-    "Fetch failed (all causes)",
+    "Fetch failed (all causes), where we do get hold of the backend.",
 	"beresp fetch failed."
 )