Fix typos in the sample configuration file.

Change-Id: I66d66bef84aeb3508af654f7e664ca59bc5fee53
refs: #3113
diff --git a/nlsr.conf b/nlsr.conf
index d32a463..6004b10 100644
--- a/nlsr.conf
+++ b/nlsr.conf
@@ -140,7 +140,7 @@
   {
     rule
     {
-      id "NSLR Hello Rule"
+      id "NLSR Hello Rule"
       for data
       filter
       {
@@ -168,7 +168,7 @@
 
     rule
     {
-      id "NSLR LSA Rule"
+      id "NLSR LSA Rule"
       for data
       filter
       {
@@ -197,7 +197,7 @@
 
     rule
     {
-      id "NSLR Hierarchy Exception Rule"
+      id "NLSR Hierarchy Exception Rule"
       for data
       filter
       {
@@ -225,7 +225,7 @@
 
     rule
     {
-      id "NSLR Hierarchical Rule"
+      id "NLSR Hierarchical Rule"
       for data
       filter
       {