fix comment error

Author: AngersZhuuuu

sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/finishAnalysis.scala

@@ -56,7 +56,7 @@ object ReplaceExpressions extends Rule[LogicalPlan] {
  * Rewrite non correlated exists subquery to use ScalarSubquery
  *   WHERE EXISTS (SELECT A FROM TABLE B WHERE COL1 > 10)
  * will be rewrite to
- *   WHERE (SELECT 1 FROM (SELECT A FROM TABLE B WHERE COL1 > 1) LIMIT 1) IS NOT NULL
+ *   WHERE (SELECT 1 FROM (SELECT A FROM TABLE B WHERE COL1 > 10) LIMIT 1) IS NOT NULL
  */
 object RewriteNonCorrelatedExists extends Rule[LogicalPlan] {
   override def apply(plan: LogicalPlan): LogicalPlan = plan transformAllExpressions {