diff --git a/read_csv_to_dict.py b/read_csv_to_dict.py
index beb90f1..363450b 100644
--- a/read_csv_to_dict.py
+++ b/read_csv_to_dict.py
@@ -1,9 +1,13 @@
 # Sebastian Raschka, 03/2014
-# Read a csv file (with a header) into a dictionary
-# where the dictionary structure will be
-#   {header_col1: [val1_line1, val1_line2, ...], header_col2: [val2_line1, val2_line2, ...], ...}
+
 
 def read_csv(csv_path):
+    """
+    Read a csv file (with a header) into a dictionary
+    where the dictionary structure will be
+    {header_col1: [val1_line1, val1_line2, ...], header_col2: [val2_line1, val2_line2, ...], ...}
+    
+    """
     with open(csv_path, 'r') as in_csv:
         header = in_csv.readline().strip().split(',')
         data = {i:[] for i in header}