diff --git a/README.md b/README.md
index 0d1be10..843e2d0 100644
--- a/README.md
+++ b/README.md
@@ -72,11 +72,11 @@ themes:
 
 Your users should now be able to choose '*Tangerine UI*' and '*Tangerine UI (Purple)*' as their site theme:
 
-![Safari - 2023-07-19 à 16 59 2@2x](https://github.com/nileane/TangerineUI-for-Mastodon/assets/914451/8cce803c-099b-4f25-8e39-e1c0da3aa6dc)
+![Screenshot : select Tangerine UI as a theme in appearance settings on Mastodon.](https://github.com/nileane/TangerineUI-for-Mastodon/assets/914451/8cce803c-099b-4f25-8e39-e1c0da3aa6dc)
 
 As an admin, you should also now be able to set Tangerine UI as the default theme for your instance (navigate to https://*domain*/admin/settings/appearance):
 
-![Safari - 2023-07-19 à 17 01 2@2x](https://github.com/nileane/TangerineUI-for-Mastodon/assets/914451/05fcbb53-54de-40e4-89bd-199107116dfc)
+![Screenshot : select Tangerine UI as the default theme for your Mastodon instance in the administration panel.](https://github.com/nileane/TangerineUI-for-Mastodon/assets/914451/05fcbb53-54de-40e4-89bd-199107116dfc)