Update Bug report guide

Change-Id: I4f9c33e9699b36b6d0551e9337a460ebfaf16bb5

guides/how-to-report-bugs.md

@@ -154,7 +154,7 @@ save time by providing this information below the Expected results.
 
 ### Logs
 
-#### Qt client (GNU/Linux, Windows)
+#### Qt client (GNU/Linux, Windows, macOS)
 
 Go to the General settings.  In the Troubleshoot section, you can
 click on "Open logs", where you will be able to get statistics ("Show
@@ -203,7 +203,10 @@ Then copy the backtrace and paste it in the issue.
 + Navigate to `/Applications/Jami.app/Contents/MacOS/`.
 + Double click Jami.  It will launch Jami and print the log to the
   terminal.
-+ Copy log from terminal to a file.
++ Copy the log from terminal to a file.
+
+Alternatively, you could run
+`/<path to Jami>/Jami.app/Contents/MacOS/Jami -d` from the terminal.
 
 #### On Android