diff --git a/man7/nptl.7 b/man7/nptl.7
index 0e4a365e2..34915898d 100644
--- a/man7/nptl.7
+++ b/man7/nptl.7
@@ -34,7 +34,9 @@ Linux systems.
 .SS NPTL and signals
 NPTL makes internal use of the first two real-time signals
 (signal numbers 32 and 33).
-One of these signals is used to support thread cancellation and POSIX timers;
+One of these signals is used to support thread cancellation and POSIX timers
+(see
+.BR timer_create (2));
 the other is used as part of a mechanism that ensures all threads in
 a process always have the same UIDs and GIDs, as required by POSIX.
 These signals cannot be used in applications.