diff --git a/installation_guide.md b/installation_guide.md
index 675a69d..c354b9d 100644
--- a/installation_guide.md
+++ b/installation_guide.md
@@ -4,7 +4,7 @@ Angelegt Freitag 05 Juni 2021
 
 Install LineageOS on Fairphone
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-1. Save you Data and Unlock Bootloader (on Your Fairphone)
+1.1. Save you Data and Unlock Bootloader (on Your Fairphone)
 - Find IMEI number (Settings - About phone)
 - Find serial number (Settings - About phone - Model and Hardware)
 - enter them [here][bootloader] and get your unlock code. 
@@ -12,24 +12,24 @@ Install LineageOS on Fairphone
 - enable OEM unlocking with unlock code (System – Advanced – Developer options)
 - enable USB Debugging (System – Advanced – Developer options)
 
-2. Install and download dependencies (on Your Computer)
+1.2. Install and download dependencies (on Your Computer)
 - install fastboot and adb (sudo apt install adb fastboot)
 - Download LineageOS .img and .zip files [here][LineageOS]
 - connect Fairphone via USB with computer
 - Reboot bootloader (adb reboot bootloader)
 
-3. Prepare Phone (on Your Fairphone)
+1.3. Prepare Phone (on Your Fairphone)
 - start phone in Recovery mode
 - choose Factory Reset - Format Data/Factory Reset
 - apply update - Apply from ADB
 
-4. Install LineageOS (on Your Computer)
+1.4. Install LineageOS (on Your Computer)
 - adb sideload <lineagos.zip>
 
-5. Apply LineageOS (on Your Fairphone)
+1.5. Apply LineageOS (on Your Fairphone)
 - apply update
 
-6. TODO: bootlock your phone
+1.6. TODO: bootlock your phone
 
 Install Apps
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