diff --git a/gensim/models/keyedvectors.py b/gensim/models/keyedvectors.py
index 519c0e75a5..a49b60a1ef 100644
--- a/gensim/models/keyedvectors.py
+++ b/gensim/models/keyedvectors.py
@@ -508,7 +508,7 @@ def most_similar(self, positive=None, negative=None, topn=10, restrict_vocab=Non
 
         Returns
         -------
-        {list of (str, float), numpy.array}
+        list of (str, float) or numpy.array
             Sequence of (word, similarity) when `topn` is int. When `topn` is None, then
             similarities for all words are returned.