Update Bug report guide

tutorials/Bug-report-guide.md

@@ -179,7 +179,7 @@ Open the Terminal app and launch Ring with `/Applications/Ring.app/Contents/MacO
 #### On Android
 + You need to have adb setup on your computer.
 + Launch Ring on your smartphone and then execute
-+ `adb logcat *:D | grep \`adb shell ps | egrep 'cx.ring' | cut -c10-15\` > logring.txt`
++ `adb logcat *:D | grep \\`adb shell ps | egrep 'cx.ring' | cut -c10-15\\` > logring.txt`
 + You now have a file containing the log of the client
 
 #### For Windows