update exam properties

examcloud-core-examwork-starter/src/main/resources/exam-properties.xml

@@ -339,7 +339,7 @@
     <enum>
         <id>57</id>
         <name>SHOW_MULTIPLE_CHOICE_WARNING</name>
-        <desc>是否在学生端作答多选题所选答案不足2个时警告提示</desc>
+        <desc>是否考生作答多选题所选答案不足两个时警告提示</desc>
         <valueType>BOOLEAN</valueType>
     </enum>
 </enums>