Update README.md

Author: collabnix

beginners/portus/README.md

@@ -105,7 +105,7 @@ Once you login to Portus, you will need to provide Docker Registry details:
 
 ![My image](https://raw.githubusercontent.com/collabnix/dockerlabs/master/beginners/portus/Portus_3.png)
 
- ## Creating Users & Team
+## Creating Users & Team
 
  Say, you have 4-5 teams inside your organization namely,
 
@@ -120,7 +120,7 @@ Once you login to Portus, you will need to provide Docker Registry details:
 
 
 
- ## Contributor
+## Contributor
 
  - [Ajeet Singh Raina](mailto:[email protected])