Update README.md

Author: ydnath

README.md

@@ -13,8 +13,11 @@ REQUIREMENTS
 ============
 
 [OpenJDK 8](http://openjdk.java.net/projects/jdk8/) or Java 8
+
 [Maven](https://maven.apache.org/download.cgi) if you want to build using `mvn` [Supported from v2.1.1].
 
+[lombok](https://mvnrepository.com/artifact/org.projectlombok/lombok) needs to be provided by the runtime (`mvn dependency scope` is set as `provided`)
+
 Releases
 ========
 Releases contain source code only. Due to changing JDK licensing, jar files are not released.
@@ -29,7 +32,8 @@ User may download the source code and compile it with desired JDK version.
   * Download Source Code for the required release
   * Compile the code and build the jar using `mvn package`
   * Use the jar file from (source to netconf-java)/netconf-java/target
-
+  * Use `mvn versions:display-dependency-updates` to identify possible target versions for dependencies
+  
 v2.1.1
 ------