modules/javafx.base/src/main/java/javafx/beans/binding/NumberExpressionBase.java

@@ -55,10 +55,11 @@
      * {@code ObservableNumberValue} is already an instance of
      * {@code NumberExpressionBase}, it will be returned. Otherwise a new
      * {@link javafx.beans.binding.NumberBinding} is created that is bound to
      * the {@code ObservableNumberValue}.
      *
+     * @param <S> The type of Number to be wrapped
      * @param value
      *            The source {@code ObservableNumberValue}
      * @return An {@code NumberExpressionBase} that wraps the
      *         {@code ObservableNumberValue} if necessary
      * @throws NullPointerException