diff --git a/gensim/models/phrases.py b/gensim/models/phrases.py
index ca8c1cfa3b..e143e364e4 100644
--- a/gensim/models/phrases.py
+++ b/gensim/models/phrases.py
@@ -676,6 +676,11 @@ def original_scorer(worda_count, wordb_count, bigram_count, len_vocab, min_count
     corpus_word_count : int
         Not used in this particular scoring technique.
 
+    Returns
+    -------
+    float
+        Score for given bi-gram, greater than or equal to 0.
+
     Notes
     -----
     Formula: :math:`\frac{(bigram\_count - min\_count) * len\_vocab }{ (worda\_count * wordb\_count)}`.
@@ -703,6 +708,11 @@ def npmi_scorer(worda_count, wordb_count, bigram_count, len_vocab, min_count, co
     corpus_word_count : int
         Total number of words in the corpus.
 
+    Returns
+    -------
+    float
+        Score for given bi-gram, in the range -1 to 1.
+
     Notes
     -----
     Formula: :math:`\frac{ln(prop(word_a, word_b) / (prop(word_a)*prop(word_b)))}{ -ln(prop(word_a, word_b)}`,