diff --git a/05-candy-factory/tf-05.py b/05-candy-factory/tf-05.py
index c239151..79c916b 100755
--- a/05-candy-factory/tf-05.py
+++ b/05-candy-factory/tf-05.py
@@ -61,6 +61,9 @@ def sort(word_freq):
     return sorted(word_freq.iteritems(), key=operator.itemgetter(1), reverse=True)
 
 def print_all(word_freqs):
+    """
+    Takes a list of pairs where the entries are sorted by frequency and print them recursively.
+    """
     if(len(word_freqs) > 0):
         print word_freqs[0][0], ' - ', word_freqs[0][1]
         print_all(word_freqs[1:]);