Update README.md

Author: leonardofel

README.md

@@ -22,23 +22,25 @@ The files in this package implement JSON encoders and decoders. The package can
 # Build Instructions (pre-alpha)
 
 The org.json package can be built from the command line ONLY Maven. The unit tests can be executed from Maven only.
-in project's pom.xml add:
+In project's pom.xml add in ```<dependencies>```:
+```
 <dependencies>
     <dependency>
         <groupId>com.github.leonardofel</groupId>
         <artifactId>json-java-put-null-fix</artifactId>
         <version>3.0.29</version>
     </dependency>
-    ....
 </dependencies>
-....
+```
+and add in ```<repositories>```:
+```
 <repositories>
-    ....
     <repository>
         <id>jitpack.io</id>
         <url>https://jitpack.io</url>
     </repository>
 </repositories>
+```
 
 
 **Building from the command line**