fixing comments

Author: ieliz

demos/interactive_face_detection_demo/cpp_gapi/main.cpp

@@ -547,7 +547,7 @@ int main(int argc, char *argv[]) {
     const cv::Point THROUGHPUT_METRIC_POSITION{10, 30};
     std::unique_ptr<Presenter> presenter;
 
-        /** Get information about frame **/
+    /** Get information about frame **/
     std::shared_ptr<ImagesCapture> cap = openImagesCapture(FLAGS_i, FLAGS_loop);
     const auto tmp = cap->read();
     cap.reset();

demos/noise_suppression_demo/cpp/README.md

@@ -35,6 +35,14 @@ omz_converter --list models.lst
 ## Running
 
 Running the demo with `-h` shows this help message:
+```
+  [ -h]               show this help message and exit
+  [--help]            print help on all arguments"
+    -m <MODEL FILE>   path to an .xml file with a trained model
+    -i <WAV>          path to an input WAV file
+  [ -d <DEVICE>]      specify a device to infer on (the list of available devices is shown below). Default is CPU
+  [ -o <WAV>]         path to an output WAV file. Default is noise_suppression_demo_out.wav
+```
 
 For example, to do inference on a CPU, run the following command: