Fixed incorrect comment.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403412

dlib/svm/svm.h

@@ -540,7 +540,7 @@ namespace dlib
 
         /*
             This function fits a sigmoid function to the output of the 
-            svm trained by svm_nu_train().  The technique used is the one
+            svm trained by svm_nu_trainer.  The technique used is the one
             described in the paper:
                 
                 Probabilistic Outputs for Support Vector Machines and