diff --git a/authserver/README.md b/authserver/README.md
index 18130d2..c4e0c53 100644
--- a/authserver/README.md
+++ b/authserver/README.md
@@ -104,7 +104,7 @@ Example response:
 
 ### For lockout admins
 
-Ensure images are 1280x1280 px large. Slugs should be lowercase and one word (repace spaces with hyphens).
+Ensure images are square and 1280x1280 px large. Slugs should be lowercase and one word (replace spaces with hyphens).
 
 #### GET, POST `/tool`