docs(gadgets.ts): improve readability of shift gates

src/lib/gadgets/gadgets.ts

@@ -145,8 +145,8 @@ const Gadgets = {
    * **Important:** The gadgets assumes that its input is at most 64 bits in size.
    *
    * If the input exceeds 64 bits, the gadget is invalid and does not prove correct execution of the rotation.
-   * Therefore, to safely use `rightShift()`, you need to make sure that the values passed in are range checked to 64 bits.
-   * For example, this can be done with {@link Gadgets.rangeCheck64}.
+   * To safely use `rightShift()`, you need to make sure that the value passed in is range-checked to 64 bits;
+   * for example, using {@link Gadgets.rangeCheck64}.
    *
    * @param field {@link Field} element to shift.
    * @param bits Amount of bits to shift the {@link Field} element to the right. The amount should be between 0 and 64 (or else the shift will fail).