优化注释

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/conditions/SharedString.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright (c) 2011-2020, hubin (jobob@qq.com).
+ * <p>
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
 package com.baomidou.mybatisplus.core.conditions;
 
 import lombok.Data;
@@ -15,7 +30,7 @@ public class SharedString implements Serializable {
     private static final long serialVersionUID = -1536422416594422874L;
 
     /**
-     * 查询字段
+     * 共享的 string 值
      */
     private String stringValue;
 }