diff --git a/bob/pad/face/extractor/ImageQualityMeasure.py b/bob/pad/face/extractor/ImageQualityMeasure.py
index cec240ef8e4c5035a4cc4d2eb5441e21fd3f5236..f3140a42d5e216caf8921389441738fc8a099bd3 100644
--- a/bob/pad/face/extractor/ImageQualityMeasure.py
+++ b/bob/pad/face/extractor/ImageQualityMeasure.py
@@ -20,7 +20,7 @@ class ImageQualityMeasure(Extractor):
     """
     This class is designed to extract Image Quality Measures given input RGB
     image. For further documentation and description of features,
-    see :ref:`bob.ip.qualitymeasure`.
+    see "bob.ip.qualitymeasure".
 
     **Parameters:**
 
diff --git a/bob/pad/face/extractor/VideoQualityMeasure.py b/bob/pad/face/extractor/VideoQualityMeasure.py
index b8a938ff825261cd46ab1cb003299811527f235c..33c89e4d8ef5e9422bb42648d770c8c0f53e9c32 100644
--- a/bob/pad/face/extractor/VideoQualityMeasure.py
+++ b/bob/pad/face/extractor/VideoQualityMeasure.py
@@ -26,7 +26,7 @@ class VideoQualityMeasure(Extractor, object):
     """
     This class is designed to extract Quality Measures for each frame in the
     input color video. For further documentation and description of features,
-    see :ref:`bob.ip.qualitymeasure`.
+    see "bob.ip.qualitymeasure".
 
     **Parameters:**