diff --git a/rq2/README.md b/rq2/README.md
index 18d918e..29f09d3 100644
--- a/rq2/README.md
+++ b/rq2/README.md
@@ -28,7 +28,7 @@ Printing details:
     + data[n].raw_dockerfile
     + data[n].clean_stdout_log
   + Example of pre-processed data we used for clustering:
-    ['the command / bin / sh c go wrapper download returned a non zero code : 1']
+    ['add failed : failed to get http : / / repo1 . maven . org / maven2 / org / codehaus / cargo / cargo jetty 7 and onwards deployer / 1 . 4 . 4 / cargo jetty 7 and onwards deployer 1 . 4 . 4 . war with status 501 https required : 501 https required . ', 'use https : / / repo1 . maven . org / maven2 / ', 'more information at https : / / links . sonatype . com / central / 501 https required']
 ```
 
 ## Details
diff --git a/rq2/clustering.py b/rq2/clustering.py
index ffdd3d1..d2f6c3a 100755
--- a/rq2/clustering.py
+++ b/rq2/clustering.py
@@ -21,6 +21,8 @@
         data.append(json.loads(fin.read().decode('utf-8')))
 print('  + Done!')
 
+data = sorted(data, key=lambda x: x['clean_stderr_log'])
+
 print('Printing details:')
 print('  + Number of records: {}'.format(len(data)))
 print('  + Available fields:')