Update README.md

README.md

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-This Earthquake organization is to accurately predict earthquakes. We are committed to researching the motion model of the Earth's core to solve the problem of numerical earthquake prediction. We believe that in the near future we will be able to accurately predict the longitude, latitude, time and intensity of earthquakes, allowing everyone to avoid disasters.
+This Earthquake organization is to accurately predict earthquakes. We are committed to researching the motion model of the Earth's cores to solve the problem of numerical earthquake prediction. We believe that in the near future we will be able to accurately predict the longitude, latitude, time and intensity of earthquakes, allowing everyone to avoid disasters.