diff --git a/man7/pthreads.7 b/man7/pthreads.7
index 4a8a6ab24..6e9ba2690 100644
--- a/man7/pthreads.7
+++ b/man7/pthreads.7
@@ -107,7 +107,7 @@ capabilities (see
 CPU affinity
 .RB ( sched_setaffinity (2))
 .SS Pthreads function return values
-Most pthreads functions return 0 on success, and an error number of failure.
+Most pthreads functions return 0 on success, and an error number on failure.
 Note that the pthreads functions do not set
 .IR errno .
 For each of the pthreads functions that can return an error,