Sorry Mike, Ram, there is a typo in the doc, we are working to get it fixed ASAP.
Meanwhile to install 1.4.1 on HDP 2.3.2 try the below. You can omit python package if you don’t plan to use PySpark.
yum install spark_2_3_2_0_2950-master spark_2_3_2_0_2950-python