Update i18n.md

Author: m5o

i18n.md

@@ -4,7 +4,7 @@ Highlight all missing translations with special styles.
 
 ## Installation
 
-* copy `i18n.scss` to `app/assets/stylesheets/[partials/]_i18n.scss`
+* copy `i18n.scss` to `app/assets/stylesheets[/partials]/_i18n.scss`
 
 ## Usage