Update README.md

Author: Florian Lautenschlager

chronix-importer/README.md

@@ -49,7 +49,7 @@ The field names are defined in the ***config.yml*** in the section ***attributeF
 attributeFields:
  - host
  - group
- - process
+ - source
 ```
 
 ***Important***: The order matters. This means that the first defined field is mapped to the first attribute, and so on.
@@ -116,4 +116,4 @@ The folder release contains very simple bash script to execute the importer.
 ```
 # !/bin/bash
 java -Dlog4j.configurationFile=log4j2.xml -jar lib/chronix-importer-0.2-beta-1.jar config.yml data/
-```
+```