diff --git a/ndns.conf.sample.in b/ndns.conf.sample.in
index 09521a3..854ff86 100644
--- a/ndns.conf.sample.in
+++ b/ndns.conf.sample.in
@@ -7,7 +7,7 @@
   {
     ; name / ; name of the zone
              ; KeyChain must have a identity with this name appended by <NDNS> at tail
-    ; cert  /KEY/dsk-123/CERT/%FD00 ; certificate to sign data
+    ; cert  /KEY/dsk-123/CERT/v=0 ; certificate to sign data
              ; omit cert to select the default certificate of above identity
   }
 
@@ -15,7 +15,7 @@
   ; {
     ; name /ndn ; name of the zone, zone should not have the same name
              ; KeyChain must have a identity with this name appended by <NDNS> at tail
-    ; cert  /ndn/KEY/dsk-234/CERT/%FD00 ; certificate to sign data
+    ; cert  /ndn/KEY/dsk-234/CERT/v=0 ; certificate to sign data
              ; omit cert to select the default certificate of above identity
   ; }
 }