E5K004 is a "container" hot fix that contains "member" hot fixes which will update your SAS software components.
See "What is a container hot fix?" in the SAS Hot Fix FAQ for more information on container and member hot fixes.
A manifest listing the contents of each of the following "member" hot fixes is available:
E5J004 manifest for SAS Text Miner Mid-Tier 15.1
E5P004 manifest for SAS Text Miner Workstation Configuration 15.1
E5N004 manifest for SAS Text Miner Client 15.1