diff --git a/doc/check_docs2.py b/doc/check_docs2.py
index 12696b36c..711d358bd 100644
--- a/doc/check_docs2.py
+++ b/doc/check_docs2.py
@@ -31,7 +31,7 @@ doc_signatures_whitelist = [
 # templates
 "Matx", "Vec", "SparseMat_", "Scalar_", "Mat_", "Ptr", "Size_", "Point_", "Rect_", "Point3_",
 "DataType", "detail::RotationWarperBase", "flann::Index_", "CalonderDescriptorExtractor",
-"gpu::DevMem2D_", "gpu::PtrStep_", "gpu::PtrElemStep_",
+"gpu::DevMem2D_", "gpu::PtrStep_", "gpu::PtrElemStep_", "gpu::BruteForceMatcher_GPU",
 # black boxes
 "CvArr", "CvFileStorage",
 # other
diff --git a/modules/core/doc/operations_on_arrays.rst b/modules/core/doc/operations_on_arrays.rst
index db5f49f78..ca219d87e 100644
--- a/modules/core/doc/operations_on_arrays.rst
+++ b/modules/core/doc/operations_on_arrays.rst
@@ -1720,7 +1720,7 @@ Composes a multi-channel array from several single-channel arrays.
 
 .. ocv:function:: void merge(const Mat* mv, size_t count, OutputArray dst)
 
-.. ocv:function:: void merge( InputArrayOfArrays mv, OutputArray dst )
+.. ocv:function:: void merge( const vector<Mat>& mv, OutputArray dst )
 
 .. ocv:pyfunction:: cv2.merge(mv[, dst]) -> dst
 
@@ -3040,7 +3040,7 @@ Divides a multi-channel array into several single-channel arrays.
 
 .. ocv:function:: void split( const Mat& src, Mat* mvbegin )
 
-.. ocv:function:: void split( InputArray m, OutputArrayOfArrays mv )
+.. ocv:function:: void split( const Mat& m, vector<Mat>& mv )
 
 .. ocv:pyfunction:: cv2.split(m[, mv]) -> mv
 
diff --git a/modules/gpu/doc/feature_detection_and_description.rst b/modules/gpu/doc/feature_detection_and_description.rst
index db1fb9a0a..2c2bef580 100644
--- a/modules/gpu/doc/feature_detection_and_description.rst
+++ b/modules/gpu/doc/feature_detection_and_description.rst
@@ -372,7 +372,7 @@ Releases inner buffer memory.
 
 gpu::BruteForceMatcher_GPU
 --------------------------
-.. ocv:class:: gpu::BruteForceMatcher_GPU
+.. ocv:class:: template<class Distance> gpu::BruteForceMatcher_GPU
 
 Brute-force descriptor matcher. For each descriptor in the first set, this matcher finds the closest descriptor in the second set by trying each one. This descriptor matcher supports masking permissible matches between descriptor sets. ::
 
diff --git a/modules/gpu/doc/per_element_operations.rst b/modules/gpu/doc/per_element_operations.rst
index 2670ba323..a59875e64 100644
--- a/modules/gpu/doc/per_element_operations.rst
+++ b/modules/gpu/doc/per_element_operations.rst
@@ -276,8 +276,6 @@ Compares elements of two matrices.
 
 .. ocv:function:: void gpu::compare( const GpuMat& a, const GpuMat& b, GpuMat& c, int cmpop, Stream& stream=Stream::Null() )
 
-.. ocv:function:: void gpu::compare(const GpuMat& a, Scalar sc, GpuMat& c, int cmpop, Stream& stream = Stream::Null())
-
     :param a: First source matrix.
 
     :param b: Second source matrix with the same size and type as ``a`` .