diff --git a/config/defaults.hjson b/config/defaults.hjson
index 398549caa..4b616f677 100644
--- a/config/defaults.hjson
+++ b/config/defaults.hjson
@@ -63,9 +63,9 @@
   setup: {
     # Username for the admin user
     admin_username: "admin"
-    # Password for the admin user. It must be at least 10 characters.
+    # Password for the admin user. It must be between 10 and 60 characters.
     admin_password: "tf6HHDS4RolWfFhk4Rq9"
-    # Name of the site (can be changed later)
+    # Name of the site, can be changed later. Maximum 20 characters.
     site_name: "My Lemmy Instance"
     # Email for the admin user (optional, can be omitted and set later through the website)
     admin_email: "user@example.com"
diff --git a/crates/utils/src/settings/structs.rs b/crates/utils/src/settings/structs.rs
index 213e74c4e..aa3f852ce 100644
--- a/crates/utils/src/settings/structs.rs
+++ b/crates/utils/src/settings/structs.rs
@@ -154,10 +154,10 @@ pub struct SetupConfig {
   /// Username for the admin user
   #[doku(example = "admin")]
   pub admin_username: String,
-  /// Password for the admin user. It must be at least 10 characters.
+  /// Password for the admin user. It must be between 10 and 60 characters.
   #[doku(example = "tf6HHDS4RolWfFhk4Rq9")]
   pub admin_password: String,
-  /// Name of the site (can be changed later)
+  /// Name of the site, can be changed later. Maximum 20 characters.
   #[doku(example = "My Lemmy Instance")]
   pub site_name: String,
   /// Email for the admin user (optional, can be omitted and set later through the website)