fixed missing semicolon in logistic regression documentation

modules/ml/doc/logistic_regression.rst

@@ -179,7 +179,7 @@ LogisticRegression::get_learnt_thetas
 -------------------------------------
 This function returns the trained paramters arranged across rows. For a two class classifcation problem, it returns a row matrix.
 
-.. ocv:function:: cv::Mat LogisticRegression::get_learnt_thetas() const;
+.. ocv:function:: cv::Mat LogisticRegression::get_learnt_thetas() const
 
 It returns learnt paramters of the Logistic Regression as a matrix of type ``CV_32F``.
 
@@ -190,7 +190,7 @@ This function reads the trained LogisticRegression clasifier from disk.
 .. ocv:function:: void LogisticRegression::read(const FileNode& fn)
 
 LogisticRegression::write
-------------------------
+-------------------------
 This function writes the trained LogisticRegression clasifier to disk.
 
-.. ocv:function:: void LogisticRegression::write(FileStorage& fs) const;
+.. ocv:function:: void LogisticRegression::write(FileStorage& fs) const