diff --git a/apps/emqx_ft/i18n/emqx_ft_schema_i18n.conf b/apps/emqx_ft/i18n/emqx_ft_schema_i18n.conf
index c33ea447e..15cf17a39 100644
--- a/apps/emqx_ft/i18n/emqx_ft_schema_i18n.conf
+++ b/apps/emqx_ft/i18n/emqx_ft_schema_i18n.conf
@@ -119,9 +119,23 @@ emqx_ft_schema {
             zh: ""
         }
         label: {
-            en: "GC Interval"
+            en: "Max segment TTL"
             zh: ""
         }
     }
 
+    storage_gc_min_segments_ttl {
+        desc {
+            en: "Minimum TTL of a segment kept in the local file system.<br/>"
+                "This is a hard limit: no segment will be garbage collected before reaching this TTL, "
+                "even if some file transfer specifies a TTL less than that."
+            zh: ""
+        }
+        label: {
+            en: "Min segment TTL"
+            zh: ""
+        }
+    }
+
+
 }
diff --git a/apps/emqx_ft/src/emqx_ft_schema.erl b/apps/emqx_ft/src/emqx_ft_schema.erl
index 270543bc9..28970f238 100644
--- a/apps/emqx_ft/src/emqx_ft_schema.erl
+++ b/apps/emqx_ft/src/emqx_ft_schema.erl
@@ -163,6 +163,7 @@ fields(local_storage_segments_gc) ->
             mk(
                 emqx_schema:duration_s(),
                 #{
+                    desc => ?DESC("storage_gc_min_segments_ttl"),
                     required => false,
                     default => "5m",
                     % NOTE
diff --git a/apps/emqx_s3/i18n/emqx_s3_schema_i18n.conf b/apps/emqx_s3/i18n/emqx_s3_schema_i18n.conf
index c26fa477a..9e9a52a41 100644
--- a/apps/emqx_s3/i18n/emqx_s3_schema_i18n.conf
+++ b/apps/emqx_s3/i18n/emqx_s3_schema_i18n.conf
@@ -1,7 +1,7 @@
 emqx_s3_schema {
     access_key_id {
         desc {
-            en: "The access key id of the S3 bucket."
+            en: "The access key ID of the S3 bucket."
             zh: ""
         }
         label {