fixed grammar and comment typos

--HG--
extra : convert_revision : svn%3Afdd8eb12-d10e-0410-9acb-85c331704f74/trunk%402423

examples/bayes_net_from_disk_ex.cpp

@@ -51,7 +51,7 @@ int main(int argc, char** argv)
         typedef graph<set<unsigned long>::compare_1b_c, set<unsigned long>::compare_1b_c>::kernel_1a_c join_tree_type;
         join_tree_type join_tree;
 
-        // Now we need populate the join_tree with data from our bayesian network.  The next to 
+        // Now we need to populate the join_tree with data from our bayesian network.  The next two 
         // function calls do this.  Explaining exactly what they do is outside the scope of this
         // example.  Just think of them as filling join_tree with information that is useful 
         // later on for dealing with our bayesian network.  

examples/svm_ex.cpp

@@ -115,7 +115,7 @@ int main()
 
             cout << "gamma: " << gamma << "    nu: " << nu;
             // Print out the cross validation accuracy for 3-fold cross validation using the current gamma and nu.  
-            // cross_validate_trainer() returns a column vector.  The first element of the vector is the fraction
+            // cross_validate_trainer() returns a row vector.  The first element of the vector is the fraction
             // of +1 training examples correctly classified and the second number is the fraction of -1 training 
             // examples correctly classified.
             cout << "     cross validation accuracy: " << cross_validate_trainer(trainer, samples, labels, 3);