Fix headings

boards/beagleplay/demos-and-tutorials/using-rtc.rst

@@ -6,7 +6,7 @@ Using RTC
 BeaglePlay has an onboard Real Time Clock (BQ32002). If you have installed a CR1220 battery, you can use this to keep the time even when the device has been powered off, or has no Internet access to get time using ntp servers.
 
 Understanding multiple rtc devices
-==================================
+***********************************
 
 On the BeaglePlay there's 2 separate RTC devices. One is the inbuilt one - which by default shows up as ``/dev/rtc0``. And the other is BQ32002 - which is it's own discrete chip - and shows up as ``/dev/rtc1`` by default.
 
@@ -22,7 +22,7 @@ You can find out the time set in both these clocks with the ``hwclock`` command.
 Note that the time in ``rtc0`` has been set after booting up using ntp servers automatically.
 
 Get the current time, timezone, and other settings
-==================================================
+***************************************************
 
 .. code:: shell-session
 		
@@ -38,7 +38,7 @@ Get the current time, timezone, and other settings
 The above command shows the time set on BeaglePlay, the universal time, the time set on the RTC, the timezone, and more. From the above we can see that the time in UTC is 5:20hrs and the time as per the timezone is 00:20hrs.
 
 Setting the timezone
-====================
+***********************
 
 You can see the available timezones using the following command -
 
@@ -56,7 +56,7 @@ Once you have selected your timezone, you can set it as follows
 
 
 Enable ntp
-==========
+************
 
 We can set the time using ntp servers. This requires us to be connected to the Internet.
 
@@ -65,7 +65,7 @@ We can set the time using ntp servers. This requires us to be connected to the I
    debian@BeaglePlay:~$ sudo timedatectl set-ntp true
 
 Setting the time manually
-=========================
+***************************
 
 You might want to set the time manually on your BeaglePlay. In this case you need to first disable the ntp synchronization.
 
@@ -77,7 +77,7 @@ You might want to set the time manually on your BeaglePlay. In this case you nee
 Using the above command we have set the time to 0300hrs on 21st December 2023.
 
 Using ``rtcwake`` to sleep
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+****************************
 
 If you would like to put your BeaglePlay to sleep for a predetermined period of time, you can use the ``rtcwake`` command