RTC and Touchin docs changes

shared-bindings/rtc/RTC.c

@@ -98,7 +98,13 @@ const mp_obj_property_t rtc_rtc_datetime_obj = {
 //|     """The RTC calibration value as an `int`.
 //|
 //|     A positive value speeds up the clock and a negative value slows it down.
-//|     Range and value is hardware specific, but one step is often approximately 1 ppm."""
+//|     Range and value is hardware specific, but one step is often approximately 1 ppm::
+//|
+//|       import rtc
+//|       import time
+//|
+//|       r = rtc.RTC()
+//|       r.calibration = 1"""
 //|
 STATIC mp_obj_t rtc_rtc_obj_get_calibration(mp_obj_t self_in) {
     int calibration = common_hal_rtc_get_calibration();

shared-bindings/touchio/TouchIn.c

@@ -153,7 +153,13 @@ const mp_obj_property_t touchio_touchin_raw_value_obj = {
 //|     When the **TouchIn** object is created, an initial `raw_value` is read from the pin,
 //|     and then `threshold` is set to be 100 + that value.
 //|
-//|     You can adjust `threshold` to make the pin more or less sensitive."""
+//|     You can adjust `threshold` to make the pin more or less sensitive::
+//|
+//|       import board
+//|       import touchio
+//|
+//|       touch = touchio.TouchIn(board.A1)
+//|       touch.threshold = 7300"""
 //|
 STATIC mp_obj_t touchio_touchin_obj_get_threshold(mp_obj_t self_in) {
     touchio_touchin_obj_t *self = MP_OBJ_TO_PTR(self_in);