updated docs

docs/docs/ml.xml

@@ -2859,10 +2859,10 @@ Davis E. King. <a href="http://jmlr.csail.mit.edu/papers/volume10/king09a/king09
          <file>dlib/svm_threaded.h</file>
          <spec_file link="true">dlib/svm/structural_svm_assignment_problem_abstract.h</spec_file>
          <description>
-                This object is a tool for learning the weight vector needed to use
+                This object is a tool for learning the parameters needed to use
                 an <a href="#assignment_function">assignment_function</a> object.  
-                It learns the parameter vector by 
-                formulating the problem as a <a href="#structural_svm_problem">structural SVM problem</a>.  
+                It learns the parameters by formulating the problem as a 
+                <a href="#structural_svm_problem">structural SVM problem</a>.  
          </description>
                                  
       </component>