diff --git a/modules/features2d/doc/feature_detection_and_description.rst b/modules/features2d/doc/feature_detection_and_description.rst
index 16e715f69..ab7cdecf9 100644
--- a/modules/features2d/doc/feature_detection_and_description.rst
+++ b/modules/features2d/doc/feature_detection_and_description.rst
@@ -243,7 +243,7 @@ The AKAZE constructor
     :param octaves: Maximum octave evolution of the image
     :param sublevels: Default number of sublevels per scale level
     :param diffusivity: Diffusivity type. DIFF_PM_G1, DIFF_PM_G2, DIFF_WEICKERT or DIFF_CHARBONNIER
-    
+
 SIFT
 ----