diff --git a/pandas/tools/tile.py b/pandas/tools/tile.py
index 99af13e383e17..370a5170043f2 100644
--- a/pandas/tools/tile.py
+++ b/pandas/tools/tile.py
@@ -153,6 +153,7 @@ def qcut(x, q, labels=None, retbins=False, precision=3, duplicates='raise'):
         The precision at which to store and display the bins labels
     duplicates : {'raise', 'drop'}, optional
         If binned edges are not unique, raise ValueError or drop non-uniques.
+        .. versionadded:: 0.20.0
 
     Returns
     -------