Fix readme emoji

README.md

@@ -5,9 +5,9 @@
 This repository implements a deep-learning based face detection and facial landmark localization model using [multi-task cascaded convolutional neural networks (MTCNNs)](https://kpzhang93.github.io/MTCNN_face_detection_alignment/). 
 
 - [📦 Installation](#installation)
-- [ðŸ?? Getting Started](#getting-started)
+- [🏁 Getting Started](#getting-started)
 - [🔎😄 Usage](#usage)
-- [â?“ About](#about)
+- [❓ About](#about)
 - [💬 Contribute](#contribute)
 
 _Note: This code supports inference using a pretrained model. Training from scratch is not supported. Weights are imported from the [original MTCNN model](https://kpzhang93.github.io/MTCNN_face_detection_alignment/) trained in Caffe._
@@ -68,4 +68,4 @@ Please file any bug reports or feature requests as [GitHub issues](https://githu
 - [Support MATLAB versions earlier than R2019b](https://github.com/matlab-deep-learning/mtcnn-face-detection/issues/2)
 
 
-_Copyright 2019 The MathWorks, Inc._
+_Copyright 2019 The MathWorks, Inc._