[DOC][PYTHON] Starting the include of the examples after the copyright

modules/python/doc/rst/tutorials/misc/ukf-linear.rst

@@ -13,3 +13,4 @@ The state vector and measurements are explained in the  `C++ example <https://vi
 
 .. literalinclude:: /examples/ukf-linear-example.py
   :language: python
+  :lines: 35-

modules/python/doc/rst/tutorials/misc/ukf-nonlinear-linear-complex.rst

@@ -11,3 +11,4 @@ The state vector and measurements are explained in the  `C++ example <https://vi
 
 .. literalinclude:: /examples/ukf-nonlinear-complex-example.py
   :language: python
+  :lines: 35-

modules/python/doc/rst/tutorials/misc/ukf-nonlinear-linear.rst

@@ -11,3 +11,4 @@ The state vector and measurements are explained in the  `C++ example <https://vi
 
 .. literalinclude:: /examples/ukf-nonlinear-example.py
   :language: python
+  :lines: 35-

modules/python/examples/ukf-linear-example.py

@@ -35,7 +35,7 @@
 
 """ @example ukf-linear-example.py
  Example of a simple linear use-case of the Unscented Kalman Filter (UKF). Using a UKF
- in this case is not necessary, it is done for learning purpous only.
+ in this case is not necessary, it is done for learning purpose only.
 
  The system we are interested in is a system moving on a 2D-plane.