added code snippets to readme.md

Author: ArnauPrat

ldbc_socialnet_dbgen/README.md

@@ -17,14 +17,16 @@ You can download hadoop 1.0.3 from http://archive.apache.org/dist/hadoop/core/ha
 
 ## Compilation
 
-The compilation uses Apache Maven to automatically detect and download the necessary dependencies. See: maven.apache.org.
+The compilation uses Apache Maven to automatically detect and download the necessary dependencies. See: **[maven.apache.org](http://maven.apache.org).
 
 Make sure you are in your ldbc_socialnet_bm/ldbc_socialnet_dbgen/ project folder.
 To generate the jar containing all the dependencies the following maven instruction is used:
 
+```
 mvn assembly:assembly
+```
 
-This can lead to the generation of two jars in the target folder the default one called ldbc_socialnet_dbgen-<Version-Number>.jar or the one containing all the dependencies inside the jar called ldbc_socialnet_dbgen.jar.
+This can lead to the generation of two jars in the target folder: the default one called ldbc_socialnet_dbgen-$Version-Number$.jar or the one containing all the dependencies inside the jar called ldbc_socialnet_dbgen.jar.
 
 
 ## Configuration
@@ -51,7 +53,9 @@ Terminology:
 
 The execution instruction is:
 
+```
 $HADOOP_HOME/bin/hadoop jar $LDBC_SOCIALNET_DBGEN_HOME/ldbc_socialnet_dbgen.jar hadoop_input_folder hadoop_output_folder Num_machines_ldbc_will_use  $LDBC_SOCIALNET_DBGEN_HOME/ Final_output_folder
+```
 
 You can refer to the run.sh script to see a clearer example of how to run it.