There are a few possible synonyms for the term "software documentation management". One option could be "technical writing management", which emphasizes the importance of written communication in the software development process. Another synonym might be "document control management", which emphasizes the need to keep track of different versions and revisions of software documentation. "Information management" could also be a synonym, as software documentation serves as a key source of information about a system or product. Finally, "knowledge management" might be a relevant synonym, as software documentation plays a crucial role in transferring knowledge between team members and across projects.