diff --git a/main.py b/main.py
index 6d26d0f..2298bb5 100644
--- a/main.py
+++ b/main.py
@@ -23,7 +23,7 @@ class GMCLCore(object):
             return "Error:Wrong Auth Way."
     def GetMemory(self,Memory):
         if(Memory.count("B")>1 or Memory.count("b")>1):
-            return "Error:Wrong Memory Unit
+            return "Error:Wrong Memory Unit"
         else:
             if(Memory.count("GB")==1):
                 self.__Memory=Memory.replace("GB","")