Made comment slightly more clear.

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%403307

dlib/svm/empirical_kernel_map_abstract.h

@@ -28,7 +28,7 @@ namespace dlib
 
             WHAT THIS OBJECT REPRESENTS
                 This object represents a map from objects of sample_type (the kind of object 
-                the kernel function operates on) to finite dimensional column vectors which 
+                a kernel function operates on) to finite dimensional column vectors which 
                 represent points in the kernel feature space defined by whatever kernel 
                 is used with this object.