diff --git a/public/badges.md b/public/badges.md
index 86d68429..aac952db 100644
--- a/public/badges.md
+++ b/public/badges.md
@@ -155,7 +155,7 @@ Once created, this badge can only be updated with the same token, until it's exp
## Expiration
-A memo badge will be expired after 32 days since it's last modification, but you can update it again within the period to keep the badge.
+A memo badge will be expired after 32 days since its last modification, but you can update it again within the period to keep the badge.
- When a badge is updated, it gets another 32 days lifespan,
- When a badge is expired, it gets cleared like never exists.