diff --git a/man2/prctl.2 b/man2/prctl.2
index 119989183..4351ff9fb 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -240,7 +240,7 @@ using the value in the location pointed to by
 .IR "(char\ *) arg2" .
 The name can be up to 16 bytes long,
 .\" TASK_COMM_LEN in include/linux/sched.h
-and should be null-terminated if it contains fewer bytes.
+including the terminating null byte.
 This is the same attribute that can be set via
 .BR pthread_setname_np (3)
 and retrieved using
@@ -256,7 +256,7 @@ Return the name of the calling thread,
 in the buffer pointed to by
 .IR "(char\ *) arg2" .
 The buffer should allow space for up to 16 bytes;
-the returned string will be null-terminated if it is shorter than that.
+the returned string will be null-terminated.
 .TP
 .BR PR_SET_NO_NEW_PRIVS " (since Linux 3.5)"
 Set the calling process's