Update README.md

Author: drbrittjay

artifact_documentation/README.md

@@ -1,9 +1,7 @@
 # Causal Testing Artifact (ICSE 2020)
 
 This is the artifact for the paper *"Causal Testing: Understanding
-Defects' Root Causes"*. This artifact replicates the user study setup
-used to evaluate our technique, including the supplementary data
-collection materials.
+Defects' Root Causes"*. This artifact facilitates the use of Holmes for debugging defects and re-use of the implementation and/or artifacts in other research studies.
 
 ## What is included in the artifact?
 
@@ -29,4 +27,4 @@ debriefing following the study (Evaluation-Questionnaire.pdf)
 All the above listed artifacts, with the exception of the virtual machine file, are located in this repository.
 
 
-The **INSTALL.md** file provides details on how to locate, set up, and run the virutal machine. 
+The **INSTALL.md** file provides details on how to locate, set up, and run the virutal machine.