Update README.md

Author: FerielRamdhane

README.md

@@ -6,4 +6,4 @@ Docker images to check the quality of DICOM images at the scan and Subject level
 - Sharpness Index (SI) which refers to an image’s overall clarity and detail with higher values indicating sharper images.
 
 ### 2. quality_metrics/mutual_information_metric and quality_metrics/mutual_information_metric_subj 
-Docker images calculate the Mutual Information (MI) index container at the scan level and subject level in XNAT platform, respectively, which calculate the mutual dependency in the images with higher index corresponding to higher similarity between two consecutive acquisitions.This tool is more dedicated to the sequential acquisition data such as the DCE images.
+Docker images to check the Mutual Information (MI) index container at the scan level and subject level in XNAT platform, respectively, it calculate the mutual dependency in the images with higher index corresponding to higher similarity between two consecutive acquisitions.This tool is more dedicated to the sequential acquisition data such as the DCE images.