Improved the display of feature titles, such as those displayed for '…

…enforced_lang', to enhance the appearance of feature titles.

README.md

@@ -44,9 +44,9 @@ important fields are:
 - `app_name`, the title of the app
 - `zim_url`, the ZIM online URL (to download to create the app)
 - `enforced_lang`, the language code of the content (and the app UI)
-- 'disable_sidebar', a boolean value, when set to `true`, it hides the sidebar
-- 'disable_tabs', a boolean value, when set to `true`, it deactivates the multi-tabs feature
-- 'disable_read_aloud', a boolean value, when set to `true`, it disable the text-to-speech feature
+- `disable_sidebar`, a boolean value, when set to `true`, it hides the sidebar
+- `disable_tabs`, a boolean value, when set to `true`, it deactivates the multi-tabs feature
+- `disable_read_aloud`, a boolean value, when set to `true`, it disable the text-to-speech feature
 
 You can also create this new file using Github IO. Go to
 https://github.com/kiwix/kiwix-android-custom/new/master and type