Grammar fix (added period to README) (#19998)
Grammar fix (added period to README) (#19998)


DickJC123/mxnet,tlby/mxnet,DickJC123/mxnet,tlby/mxnet,szha/mxnet,szha/mxnet,apache/incubator-mxnet,apache/incubator-mxnet,szha/mxnet,szha/mxnet,tlby/mxnet,tlby/mxnet,szha/mxnet,tlby/mxnet,szha/mxnet,tlby/mxnet,szha/mxnet,tlby/mxnet,DickJC123/mxnet,tlby/mxnet,szha/mxnet,szha/mxnet,apache/incubator-mxnet,tlby/mxnet,apache/incubator-mxnet,tlby/mxnet,DickJC123/mxnet