docs: minor documentation corrections

Change-Id: I2e7b2d385f44ce894dcc2981e0fc6670df74aff1
diff --git a/nlsr.conf b/nlsr.conf
index 2ddb1e4..ffffe43 100644
--- a/nlsr.conf
+++ b/nlsr.conf
@@ -96,7 +96,7 @@
   ; the switch is used to set hyperbolic routing calculation in NLSR
 
   state off             ; default value 'off', set value 'on' to enable hyperbolic routing table
-                        ; calculation which turns link state routing 'off'. set value to 'dry-run"
+                        ; calculation which turns link state routing 'off'. set value to 'dry-run'
                         ; to test hyperbolic routing and compare with link state routing.