diff --git a/Guides/LineageOsInstallation.md b/Guides/LineageOsInstallation.md
index faa3a46..865d55c 100644
--- a/Guides/LineageOsInstallation.md
+++ b/Guides/LineageOsInstallation.md
@@ -1,10 +1,12 @@
 # Install LineageOS on Fairphone
 
 ## 1. Check your prerequisites on your computer
-[ ] adb and fastboot are installed?  
+[ ] adb and fastboot are installed on your computer?  
 [ ] you have downloaded bootimage (img) and LineageOS (zip)?  
 [ ] you have the unlock code (in case of Fairphone 3)?  
 [ ] you have a usb cable prepared?  
+[ ] you have removed your screen lock?
+[ ] your phone has at least 70% battery?  
 [ ] you are prepared to erase all the data on your fairphone?  
 
 
@@ -36,7 +38,7 @@ For overwriting your fairphones boot-loader we will need connection to your pc.
 
 The next step is the critical one. If this step goes wrong your fairphone may remain broken. Time to do some checks:
 
-1. Check that your phone has at least 50% battery.
+1. Check that your phone has at least 70% battery.
 1. Reboot your fairphone to bootloader mode: Type `adb reboot bootloader` on your computer.
 1. Fairphone should show the bootloader screen.  
 1. Type `fastboot devices` on your computer. The result should show something like
diff --git a/README.md b/README.md
index 9c36564..591da18 100644
--- a/README.md
+++ b/README.md
@@ -48,6 +48,7 @@ Find more infromaton about our offere at https://meissa-gmbh.de/pages/lineageos_
 
 * **Mobilsicher** is a german platform about privacy on android: https://mobilsicher.de/
 * **Exodus** is a portal providing privacy audits for apps: https://reports.exodus-privacy.eu.org/
+* **topio** is a club supporting privacy on smartphones for everyone: https://www.topio.info/
 * Getting GooglePlayStore-Apps without having a google account with **Aurora**: https://gitlab.com/AuroraOSS/AuroraStore
 * Privacy Guides: https://github.com/JBNCK/fp3_debloater
 * Privacy Blog: https://www.kuketz-blog.de/