Fixed typos in latentSVM detector demo.

samples/cpp/latentsvm_multidetect.cpp

@@ -23,7 +23,7 @@ using namespace cv;
 static void help()
 {
     cout << "This program demonstrated the use of the latentSVM detector." << endl <<
-            "It reads in a trained object models and then uses them to detect the objects in an images." << endl <<
+            "It reads in trained object models and then uses them to detect the objects in images." << endl <<
              endl <<
             "Call:" << endl <<
             "./latentsvm_multidetect <imagesFolder> <modelsFolder> [<overlapThreshold>][<threadsNumber>]" << endl <<
@@ -132,7 +132,7 @@ int main(int argc, char* argv[])
     LatentSvmDetector detector( models_filenames );
     if( detector.empty() )
     {
-        cout << "Models cann't be loaded" << endl;
+        cout << "Models can't be loaded" << endl;
         exit(-1);
     }