diff --git a/csvdb.py b/csvdb.py
index 84b69d5..36d08e0 100755
--- a/csvdb.py
+++ b/csvdb.py
@@ -5,6 +5,13 @@ import dbtools
 import sqlite3, csv, sys
 
 def makeDB(dbo=dbtools.dbHelper(), infile='tweets.csv'):
+ """
+ Initializes the database.
+
+ :param dbo: Database object for the database to be initialized.
+ :param infile: Path of the CSV file to initalize the database with.
+ :return: Returns nothing.
+ """
  try:
   infile = open(infile)
  except IOError:
diff --git a/filler.py b/filler.py
index ccfe413..298e61e 100755
--- a/filler.py
+++ b/filler.py
@@ -51,6 +51,8 @@ def getMessages(db=dbtools.dbHelper(), two=twitools.twObject()):
  return mcount, savepoint or 0, db.getLatestMessage()
 
 def getFollowers(db=dbtools.dbHelper(), two=twitools.twObject(), firstrun=False):
+ """                                                                                                            Get handles of users we are following.                                                                                                                                                                                        :param db: Database object to be used.                                                                         :param two: Twitter object to be used.                                                                         :param firstrun: Must be set to True if the function is executed for the first time. Defaults to False.        :return: Returns the number of gained and lost followings in a list (gained, lost).                            """
+
  current = list(db.getFollowers())
  new = list(twitools.getNamesByIDs(twitools.getFollowerIDs()))
  gained = 0
@@ -77,6 +79,14 @@ def getFollowers(db=dbtools.dbHelper(), two=twitools.twObject(), firstrun=False)
  return gained, lost
 
 def getFollowing(db=dbtools.dbHelper(), two=twitools.twObject(), firstrun=False):
+ """
+ Get handles of users we are following.
+
+ :param db: Database object to be used.
+ :param two: Twitter object to be used.
+ :param firstrun: Must be set to True if the function is executed for the first time. Defaults to False.
+ :return: Returns the number of gained and lost followings in a list (gained, lost).
+ """
  current = list(db.getFollowing())
  new = list(twitools.getNamesByIDs(twitools.getFollowingIDs()))
  gained = 0