small improvements

* fixed some spelling errors
* added a reference to the FAQ

tutorials/first-config.md

@@ -10,7 +10,7 @@ When you start the app for the first time, you need to accept the license agreem
 
 
 ## 2. Starting the Wizard
-FairEmail has a setup wizard integrated, that will lead you through the process. Choose the wizard for easy configuration. 
+FairEmail has a setup wizard integrated. It will lead you through the process. Choose the wizard for easy configuration. 
 If your email provider is not listed, or if you want to authenticate using a password, choose "Other provider".
 
 **NOTE:** OAuth only works for the Play Store and GitHub version. Third party builds (e.g. on F-Droid) do not support OAuth.
@@ -44,6 +44,8 @@ Below the wizard, there are two more options numbered:
 * Grant access to your contacts, if you want to use the contacts on your device (optional)
 * Disable battery optimization (highly recommended to ensure the app works in the background)
 
+**NOTE:** Even with battery optimization disabled, FairEmail won't drain your battery. The app usage will be high. But that does not mean high battery usage. See [FAQ #39 How can I reduce the battery usage of FairEmail?](https://github.com/M66B/FairEmail/blob/master/docs/FAQ-en-rGB.md#user-content-faq39) for more information.
+
 ## 6. (Unified) Inbox
 
 Once you press the back button, you'll enter your new inbox. At first, you will see a pop-up message with important information.

tutorials/settings-overview.md

@@ -112,7 +112,7 @@ You can switch themes like this:
 4. Press the "Select theme" button
 5. Select the theme of your choice and confirm
 
-**NOTE:** Dynamic themes are not possible in Android.
+**NOTE:** Dynamic themes are not possible on Android.
 See [FAQ #164 Can you add customizable themes?](https://github.com/M66B/FairEmail/blob/master/FAQ.md#user-content-faq164) for further details.
 
 ## 7. Changing Start Screen
@@ -134,7 +134,7 @@ There are multiple ways to show an avatar for each sender. You can enable multip
 3. Enable the options of your choice
 
 **NOTE:** Apart from the generated icons, there might be a privacy risk with each available option.
-Gravatars and Libravatar might not be available in the PlayStore version as Google falsely flags the app to be a spyware otherwise. ALso see [this XDA thread](https://forum.xda-developers.com/t/app-5-0-fairemail-fully-featured-open-source-privacy-oriented-email-app.3824168/page-1125#post-87018167) on the matter.
+Gravatars and Libravatar might not be available in the PlayStore version as Google falsely flags the app to be a spyware otherwise. Also see [this XDA thread](https://forum.xda-developers.com/t/app-5-0-fairemail-fully-featured-open-source-privacy-oriented-email-app.3824168/page-1125#post-87018167) on the matter.
 
 ## 9. Enable Biometric Authentication
 You might want to protect your app via a PIN or a fingerprint to ensure no unauthorized person gains access to your messages.
@@ -147,7 +147,7 @@ To do so, follow these steps:
 More information can be found in [FAQ #113 How does biometric authentication work?](https://github.com/M66B/FairEmail/blob/master/docs/FAQ-en-rGB.md#user-content-faq113).
 
 ## 10. Enable Error Reporting
-Error reporting is disabled by default However, enabling this helps the developer finding any bugs and improving the app.
+Error reporting is disabled by default. However, enabling this helps the developer finding any bugs and improving the app.
 If you want to enable error reporting, do as follows:
 
 1. Go to the "Miscellaneous" settings