diff --git a/src/main/resources/fess_label.properties b/src/main/resources/fess_label.properties
index 48e972717..b3e5ca055 100644
--- a/src/main/resources/fess_label.properties
+++ b/src/main/resources/fess_label.properties
@@ -337,7 +337,7 @@ labels.included_doc_paths=Included Paths For Indexing
 labels.excluded_doc_paths=Excluded Paths For Indexing
 labels.config_parameter=Config Parameters
 labels.max_access_count=Max Access Count
-labels.number_of_thread=The number of Tread
+labels.number_of_thread=The number of Thread
 labels.interval_time=Interval time
 labels.millisec=ms
 labels.permissions=Permissions