Issue #2861072 by tar_inet, lomasr, imrancluster, cornelyus, jansete,...

Issue #2861072 by tar_inet, lomasr, imrancluster, cornelyus, jansete, th_tushar, RenatoG, Gábor Hojtsy, faline, saurabh rawat, cilefen: Change "users" to "user(s)" in user actions for consistency