Update text_detection.cpp

samples/dnn/text_detection.cpp

@@ -31,8 +31,8 @@ const char* keys =
     "{ help  h              | | Print help message. }"
     "{ input i              | | Path to input image or video file. Skip this argument to capture frames from a camera.}"
     "{ detModel dmp         | | Path to a binary .pb file contains trained detector network.}"
-    "{ width                | 320 | Preprocess input image by resizing to a specific width. It should be multiple by 32. }"
+    "{ width                | 320 | Preprocess input image by resizing to a specific width. It should be a multiple of 32. }"
-    "{ height               | 320 | Preprocess input image by resizing to a specific height. It should be multiple by 32. }"
+    "{ height               | 320 | Preprocess input image by resizing to a specific height. It should be a multiple of 32. }"
     "{ thr                  | 0.5 | Confidence threshold. }"
     "{ nms                  | 0.4 | Non-maximum suppression threshold. }"
     "{ recModel rmp         | | Path to a binary .onnx file contains trained CRNN text recognition model. "