diff --git a/nlsr.conf b/nlsr.conf
index fd2ad23..bfed00b 100644
--- a/nlsr.conf
+++ b/nlsr.conf
@@ -4,7 +4,7 @@
 {
   ; mandatory configuration command section network, site and router
 
-  network /ndn/         ; name of the network the router belongs to in ndn URI format
+  network /ndn         ; name of the network the router belongs to in ndn URI format
   site /edu/memphis    ; name of the site the router belongs to in ndn URI format
   router /%C1.Router/cs/pollux    ; name of the router in ndn URI format
 
@@ -150,7 +150,7 @@
           type name
           hyper-relation
           {
-            k-regex ^([^<KEY><nlsr>]*)<nlsr><KEY><>$
+            k-regex ^([^<KEY><nlsr>]*)<nlsr><KEY><>{1,3}$
             k-expand \\1
             h-relation equal
             p-regex ^([^<nlsr><INFO>]*)<nlsr><INFO><><>$
@@ -178,7 +178,7 @@
           type name
           hyper-relation
           {
-            k-regex ^([^<KEY><nlsr>]*)<nlsr><KEY><>$
+            k-regex ^([^<KEY><nlsr>]*)<nlsr><KEY><>{1,3}$
             k-expand \\1
             h-relation equal
             ; the last four components in the prefix should be <lsaType><seqNo><version><segmentNo>
@@ -235,7 +235,7 @@
           type name
           hyper-relation
           {
-            k-regex ^([^<KEY><%C1.Operator>]*)<%C1.Operator>[^<KEY>]*<KEY><>$
+            k-regex ^([^<KEY><%C1.Operator>]*)<%C1.Operator>[^<KEY>]*<KEY><>{1,3}$
             k-expand \\1
             h-relation equal
             p-regex ^([^<KEY><%C1.Router>]*)<%C1.Router>[^<KEY>]*<KEY><><><>$
@@ -288,7 +288,7 @@
         key-locator
         {
           type name
-          regex ^([^<KEY><%C1.Operator>]*)<%C1.Operator>[^<KEY>]*<KEY><>$
+          regex ^([^<KEY><%C1.Operator>]*)<%C1.Operator>[^<KEY>]*<KEY><>{1,3}$
         }
       }
     }