Update README.md

README.md

@@ -24,9 +24,9 @@ Additional customization to make it more friendly towards major distros (which `
 - File associations
     - Environment variable **NOICE_OPENER** to override all associations and open all files with your desktop environments default file opener. Examples:
 
-            $ export NOICE_OPENER=xdg-open
-            $ export NOICE_OPENER=gnome-open
-            $ export NOICE_OPENER=gvfs-open
+            export NOICE_OPENER=xdg-open
+            export NOICE_OPENER=gnome-open
+            export NOICE_OPENER=gvfs-open
     All the following associations are ignored if **NOICE_OPENER** is exported.
     - Associate plain text files with vim (using `file` command)
     - Remove video file associations (to each his own favourite video player)