diff --git a/README.md b/README.md
index f250665..f0f2c2f 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # Phabricator-maintenance-bot
 Source for https://phabricator.wikimedia.org/p/Maintenance_bot/
 
-* `column_mover.py` is a script that can perform additional actions when someone drags/changes a task in a workboard to a different column. E.g. Moving a task in workborad #user-ladsgroup from column "incoming" to column "done" will automatically change the task's status to "done"
+* `column_mover.py` is a script that can move columns of a task when some actions happens on it. E.g. Moving a task in workborad #user-ladsgroup from column "incoming" to column "done" when someone changes the task's status to "done"
 * `patchforreview_remover.py` is an automatic script that removes the "patch_for_review" tag when all patches have been merged or abandoned
diff --git a/cron b/cron
index c58358c..ed464a2 100644
--- a/cron
+++ b/cron
@@ -1,3 +1,3 @@
-15 * * * * jsub -once -N column_mover python3 /data/project/phabbot/phabbot/column_mover.py >/dev/null 2>&1
-10 * * * * jsub -once -N patch_for_review python3 /data/project/phabbot/phabbot/patchforreview_remover.py >/dev/null 2>&1
+15 * * * * jsub -once -N column_mover python3 /data/project/phabbot/phabbot/column_mover.py /data/project/phabbot/phabbot/creds.json 3600 >/dev/null 2>&1
+10 * * * * jsub -once -N patch_for_review python3 /data/project/phabbot/phabbot/patchforreview_remover.py /data/project/phabbot/phabbot/creds.json 3600 >/dev/null 2>&1
 5 * * * * jsub -once -N updater bash /data/project/phabbot/phabbot/updater.sh >/dev/null 2>&1
diff --git a/lib.py b/lib.py
index 985dee5..8b83cb5 100644
--- a/lib.py
+++ b/lib.py
@@ -1,5 +1,6 @@
 import json
 import time
+import sys
 
 import requests
 
@@ -18,7 +19,7 @@ class Client(object):
 
     @classmethod
     def newFromCreds(cls):
-        with open('creds.json', 'r') as f:
+        with open(sys.argv[1], 'r') as f:
             creds = json.loads(f.read())
         return cls(*creds)
 
@@ -103,7 +104,7 @@ class Client(object):
             'limit': 100,
             'constraints': {
                 'projects': [project_phid],
-                "modifiedStart": int(time.time() - 3600)
+                "modifiedStart": int(time.time() - int(sys.argv[2]))
             }
         }
         if continue_: