diff --git a/mindinsight/scripts/start.py b/mindinsight/scripts/start.py
index 3dcff484ea82d14394c12afb53d5e55e403b0e4b..2a41eb1ccfa73b7a095b0d92f9d19c9b45362083 100644
--- a/mindinsight/scripts/start.py
+++ b/mindinsight/scripts/start.py
@@ -193,8 +193,8 @@ class Command(BaseCommand):
             help="""
                 Custom URL path prefix for web page address. URL path prefix 
                 consists of segments separated by slashes. Each segment supports
-                alphabets / digits / underscores / dashes / dots, but cannot just 
-                be emtpy string / single dot / double dots. Default value is ''.
+                alphabets / digits / underscores / dashes / dots, but not single 
+                dot or double dots. Default value is ''.
             """)
 
         for hook in HookUtils.instance().hooks():