Update gettingstarted.md

en/gettingstarted.md

@@ -14,11 +14,11 @@ There are four buttons on the card10 _harmonic_ board: On the top left, just abo
 [![Drawing of card10 with button names](/media/card10buttons.svg)](/media/card10buttons.svg)
 
 
-### switching your card10 on and off
+### Switching your card10 on and off
 
 To switch on card10, briefly press the POWER button. To switch it off again, press and hold down the power button for several seconds (usually this is around three seconds, however for some apps it can take over ten seconds).
 
-### starting apps
+### Starting apps
 
 When your card10 is switched on, a short press of the POWER button
 brings you to the app menu. You can scroll down with the RIGHT button, 
@@ -26,7 +26,7 @@ and up with the LEFT button. The SELECT button starts the selected app.
 The POWER button starts the app called 'main.py', which is also the app 
 that will automatically start when you turn on your card10.
 
-### choosing your personal state
+### Choosing your personal state
 Card10 comes with an app to set your [personal state](/ps). As with the nickname, enter the menu
 by pressing the POWER button briefly. This time, select the `personal_state.py` app with the POWER button,
 and navigate to your state with the LEFT and RIGHT buttons. Unlike the other apps, the state of the personal
@@ -48,7 +48,7 @@ Now when you connect the card10 to your laptop via USB, it will show up as a sto
 
 The USB storage mode is exited by briefly pressing the POWER button.
 
-### setting your nickname
+### Setting your nickname
 To set your nickname, create a file called `nickname.txt` on your laptop. 
 Start your card10 in USB storage mode, then copy `nickname.txt` onto the card10. Eject the USB device.
 Then briefly press the POWER button to exit the storage mode, and then a second time, to enter the menu.
@@ -58,20 +58,20 @@ If you have successfully uploaded a `nickname.txt` file, your nickname will now
 You can also upload a `nickname.json` file instead, to get some more options. 
 Have a look at the [hatchery](https://badge.team/projects/card10_nickname) for more options of the app.
 
-### adding apps
+### Adding apps
 
 The [hatchery](https://badge.team/) also has more apps written by other card10 users. To get these apps on your card10,
 you can either use the [app](/app), or you can upload them via USB storage: Download and extract the `tar.gz` files (or download all files individually). Put your card10 in [usb storage mode](/en/gettingstarted#usb-storage-mode), to add the files.
 All apps are placed in the `apps` folder. In the `apps` folder, all apps have their own folder, named after the app name (e.g. `apps/app_name`). To add a new app,
 create a folder with the name of the app, and then place all files for the app inside this folder. 
 
-### activate BLE
+### Activate BLE
 Initially, BLE is disabled for privacy reasons. If you want to use it, you have to activate it first.
 
   * Via the menu: Select the ble.py from the menu and press the SELECT button to enable BLE. The board will restart with activated BLE. Deactivation can be done via the same app.
   * Manually: Start the card10 in _USB storage mode_ and add a file `ble.txt` with (exactly) the content `active=true` then reset the board.
  
-### basic ECG howto
+### Basic ECG howto
 Have a look at [how to use the ECG](../ecg/).
 
 For better results use [USB-C electrodes](../ecg_kit_assembly/)