diff --git a/modules/ml/doc/expectation_maximization.rst b/modules/ml/doc/expectation_maximization.rst
index 239f1776a..4c5c2c51e 100644
--- a/modules/ml/doc/expectation_maximization.rst
+++ b/modules/ml/doc/expectation_maximization.rst
@@ -182,14 +182,17 @@ Returns ``true`` if the Gaussian mixture model was trained.
 
 EM::read, EM::write
 -------------------
-See :ocv:function:`Algorithm::read` and :ocv:function:`Algorithm::write`.
+See :ocv:func:`Algorithm::read` and :ocv:func:`Algorithm::write`.
 
-EM::get
--------
-See :ocv:function:`Algorithm::get`. The following parameters are available for getting:
+EM::get, EM::set
+----------------
+See :ocv:func:`Algorithm::get` and :ocv:func:`Algorithm::set`. The following parameters are available:
 
 * ``"nclusters"``
 * ``"covMatType"``
-* ``"weights"``
-* ``"means"``
-* ``"covs"``
+* ``"maxIters"``
+* ``"epsilon"``
+* ``"weights"`` *(read-only)*
+* ``"means"`` *(read-only)*
+* ``"covs"`` *(read-only)*
+..
diff --git a/modules/video/doc/motion_analysis_and_object_tracking.rst b/modules/video/doc/motion_analysis_and_object_tracking.rst
index 3aca9e22a..5d7f9e9fa 100644
--- a/modules/video/doc/motion_analysis_and_object_tracking.rst
+++ b/modules/video/doc/motion_analysis_and_object_tracking.rst
@@ -404,11 +404,11 @@ Updates the predicted state from the measurement.
 BackgroundSubtractor
 --------------------
 
-.. ocv:class:: BackgroundSubtractor
+.. ocv:class:: BackgroundSubtractor : public Algorithm
 
 Base class for background/foreground segmentation. ::
 
-    class BackgroundSubtractor
+    class BackgroundSubtractor : public Algorithm
     {
     public:
         virtual ~BackgroundSubtractor();