diff --git a/i18n/en.json b/i18n/en.json
index 765e03d985..ca843c7822 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -272,7 +272,7 @@
     "oauth_auto_register": "Auto register",
     "oauth_auto_register_description": "Automatically register new users after signing in with OAuth",
     "oauth_button_text": "Button text",
-    "oauth_client_secret_description": "Required if PKCE (Proof Key for Code Exchange) is not supported by the OAuth provider",
+    "oauth_client_secret_description": "Required for confidential client, or if PKCE (Proof Key for Code Exchange) is not supported for public client.",
     "oauth_enable_description": "Login with OAuth",
     "oauth_mobile_redirect_uri": "Mobile redirect URI",
     "oauth_mobile_redirect_uri_override": "Mobile redirect URI override",