diff --git a/src/bob/io/image.py b/src/bob/io/image.py
index 9eeecc3c81a812de7a665ee7fa11587cf95b8ee7..589a006354b8535c15e3c4395ce349765d1e6e31 100644
--- a/src/bob/io/image.py
+++ b/src/bob/io/image.py
@@ -57,7 +57,7 @@ def bob_to_pillow(img):
 
     Returns
     -------
-    pillow.Image.Image
+    PIL.Image.Image
         An Image object of pillow.
     """
     # first convert to matplotlib format
@@ -78,7 +78,7 @@ def pillow_to_bob(img):
 
     Parameters
     ----------
-    img: pillow.Image.Image
+    img: PIL.Image.Image
         A Pillow Image
 
     Returns