diff --git a/script/local.py b/script/local.py
index eb71050..451eaf7 100755
--- a/script/local.py
+++ b/script/local.py
@@ -311,10 +311,15 @@ def _get_camtool_port():
     return  camtool.url[camtool.url.rfind(":")+1:]
     
 def is_camtool_running():
+    """
+    """
     return int(exec_cmd("pgrep " + CAMTOOL_SERVER_SCRIPT + " | wc -l")) > 0
     #return int(exec_cmd('pgrep -f "' +  CAMTOOL_SERVER_SCRIPT + ' -p ' + _get_camtool_port() + '" | wc -l')) > 0
 
 def kill_camtool():
+    """
+    Kill the private camtool instance and child pocesses
+    """
     #return exec_cmd("killall -9 " + CAMTOOL_SERVER_SCRIPT)
     return exec_cmd('pkill -f " \-p ' + _get_camtool_port() + '"')
  
@@ -328,6 +333,9 @@ def _run_camtool():
         print  >> sys.stderr, traceback.format_exc()
 
 def check_camtool():
+    """
+    Checks if private camtool server is running, otherwise starts it.
+    """
     if is_camtool_running():
         return False
     fork(_run_camtool)