Update README.md

Author: foldfelis

README.md

@@ -46,7 +46,7 @@ model = Chain(
     # lift (d + 1)-dimensional vector field to n-dimensional vector field
     # here, d == 1 and n == 64
     Dense(2, 64),
-    # operator projects data between infinite-dimensional spaces
+    # map each hidden representation to the next by integral kernel operator
     FourierOperator(64=>64, (16, ), gelu),
     FourierOperator(64=>64, (16, ), gelu),
     FourierOperator(64=>64, (16, ), gelu),