Address PR comments

Author: shardulm94

core/src/main/scala/org/apache/spark/util/DependencyUtils.scala

@@ -60,7 +60,8 @@ private[spark] object DependencyUtils extends Logging {
    * @return Tuple value of parameter `transitive` and `exclude` value.
    *
    *         1. transitive: whether to download dependency jar of Ivy URI, default value is true
-   *            and this parameter value is case-insensitive. Invalid value will be treat as false.
+   *            and this parameter value is case-insensitive. This mimics Hive's behaviour for
+   *            parsing the transitive parameter. Invalid value will be treat as false.
    *            Example: Input:  exclude=org.mortbay.jetty:jetty&transitive=true
    *            Output:  true
    *

docs/sql-ref-syntax-aux-resource-mgmt-add-jar.md

@@ -36,7 +36,7 @@ ADD JAR file_name
     The name of the JAR file to be added. It could be either on a local file system or a distributed file system or an Ivy URI.
     Apache Ivy is a popular dependency manager focusing on flexibility and simplicity. Now we support two parameter in URI query string:
 
-     * transitive: whether to download dependent jars related to your ivy URL. The parameter name is case-sensitive, parameter value is case-insensitive and only take last one if multiple transitive parameters are specified.
+     * transitive: whether to download dependent jars related to your ivy URL. The parameter name is case-sensitive, and the parameter value is case-insensitive. If multiple transitive parameters are specified, the last one wins.
      * exclude: exclusion list during downloading Ivy URI jar and dependent jars.
 
     User can write Ivy URI such as: