small fix

docs/blog/blog4/nmaas-101-4.md

@@ -49,7 +49,7 @@ NMaaS portal: Oxidized
 
     !!! warning ""
 
-        The name has a particular importance as it will dynamically create a FQDN for the NMaaS service in the form: **<service_name>.<domain>.nmaas.eu** In my example it is: **prm.rare.nmaas.eu**
+        The name has a particular importance as it will dynamically create a FQDN for the NMaaS service in the form: **'<service_name>'.'<domain>'.nmaas.eu** In my example it is: **prm.rare.nmaas.eu**
 
     - Click on configure (blue bottom on the lefthand side) information
 
@@ -149,7 +149,6 @@ NMaaS portal: Oxidized
         static_configs:
         - targets: ['192.168.0.1:9001','192.168.0.2:9001']
             labels:
-        -rw-r
     ```
 
 ## Verification