fix format

doc/forum/webapp_listen_port_with_autostart/comment_1_65dbcf3d8f6c16568f5a326242eab9c5._comment

@@ -8,13 +8,13 @@ Well, it would be possible to add a configuration setting in the repository that
 
 But maybe it would be better to not use `assistant --autostart` in your situation? That command is basically the same as this shell script:
 
-[[!format sh \"\"\"
+[[!format sh """
 #!/bin/sh
 for dir in $(cat $HOME/.config/git-annex/autostart); do
     cd $dir
     git annex webapp &
 done
-\"\"]]
+"""]]
 
 So you can write similar shell scripts that start the webapp with whatever options you like.
 """]]