Fixed typo in features2d doc

diff --git a/modules/features2d/doc/common_interfaces_of_descriptor_extractors.rst b/modules/features2d/doc/common_interfaces_of_descriptor_extractors.rst
index 5983c46..d79d18b 100644 (file)
--- a/modules/features2d/doc/common_interfaces_of_descriptor_extractors.rst
+++ b/modules/features2d/doc/common_interfaces_of_descriptor_extractors.rst
@@ -119,7 +119,7 @@ SiftDescriptorExtractor
 .. ocv:class:: SiftDescriptorExtractor
 
 Wrapping class for computing descriptors by using the
-:ocv:class::`SIFT` class. ::
+:ocv:class:`SIFT` class. ::
 
     class SiftDescriptorExtractor : public DescriptorExtractor
     {