diff --git a/man7/cgroups.7 b/man7/cgroups.7
index e6cbbd08b..f80fe6282 100644
--- a/man7/cgroups.7
+++ b/man7/cgroups.7
@@ -222,20 +222,32 @@ A new cgroup is created by creating a directory in the cgroup filesystem:
     mkdir /sys/fs/cgroup/cpu/cg1
 
 This creates a new empty cgroup.
-Processes (threads) may be moved to this cgroup by writing
-their PIDs (TIDs) into the cgroup's
+Processes may be moved to this cgroup by writing
+their PIDs into the cgroup's
 .I cgroup.procs
-.RI ( tasks )
 file:
 
     echo $$ > /sys/fs/cgroup/cpu/cg1/cgroup.procs
 
-The same files can be read to obtain a list of the processes (threads)
+The same file can be read to obtain a list of the processes
 that  are currently in
 .IR cg1 .
 When writing a PID into the
 .IR cgroup.procs ,
-all tasks in the process are moved into the new cgroup at once.
+all threads in the process are moved into the new cgroup at once.
+
+In cgroups v1 (but not cgroups v2), an individual thread can be moved to
+another cgroup by writing its thread ID
+(i.e., the kernel thread ID returned by
+.BR clone (2)
+and
+.BR gettid (2))
+to the
+.IR tasks
+file in a cgroup directory.
+This file can be read to discover the set of threads
+that are members of the cgroup.
+This file is not present in cgroup v2 directories.
 
 A child process created via
 .BR fork (2)