Change wording of media display preferences to be more intuitive (#13198)

config/locales/simple_form.en.yml

@@ -42,8 +42,8 @@ en:
         setting_aggregate_reblogs: Do not show new boosts for toots that have been recently boosted (only affects newly-received boosts)
         setting_default_sensitive: Sensitive media is hidden by default and can be revealed with a click
         setting_display_media_default: Hide media marked as sensitive
-        setting_display_media_hide_all: Always hide all media
-        setting_display_media_show_all: Always show media marked as sensitive
+        setting_display_media_hide_all: Always hide media
+        setting_display_media_show_all: Always show media
         setting_hide_network: Who you follow and who follows you will not be shown on your profile
         setting_noindex: Affects your public profile and status pages
         setting_show_application: The application you use to toot will be displayed in the detailed view of your toots