Update README.md

README.md

@@ -66,4 +66,6 @@ includes the following information for each media file:
 
 More datasets in TrainingData's Kaggle account: **https://www.kaggle.com/trainingdatapro/datasets**
 
-TrainingData's GitHub: **https://github.com/Trainingdata-datamarket/TrainingData_All_datasets**
+TrainingData's GitHub: **https://github.com/Trainingdata-datamarket/TrainingData_All_datasets**
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+*keywords: facial mask detection, face masks detection, face masks classification, face masks recognition, covid-19, re-identification, public safety, health, automatic face mask detection, biometric system, biometric system attacks, biometric dataset, face recognition database, face recognition dataset, face detection dataset, facial analysis, object detection dataset, deep learning datasets, computer vision datset, human images dataset, human faces dataset*