diff --git a/preparation.md b/preparation.md
index 2f27650..72c6999 100644
--- a/preparation.md
+++ b/preparation.md
@@ -17,6 +17,7 @@ Energy Saving options for apps might become a problem eventually, if your OS dec
 Android:
 
 ![App energy saving][android_app_engerysave]
+
 ![Disable energy saving][android_app_exception]
 
 [android_app_engerysave]: images/android_app_energysave.png
@@ -29,7 +30,9 @@ I got used to [GPS Logger](https://play.google.com/store/apps/details?id=com.men
 To get precise locations for your photos, there have to be datapoints in the recording close to the time the picture was taken. But I don't want to stress the phone's battery too much. So I went with an interval of 5s and a distance of 5m between two datapoints. And I keep the GPS locked during the time it records.
 
 ![GPS Logger erformance][gpslogger_performance]
+
 ![GPS Logger distance][gpslogger_distance]
+
 ![GPS Logger interval][gpslogger_interval]
 
 [gpslogger_performance]: images/gpslogger_performance.png