diff --git a/man2/prctl.2 b/man2/prctl.2
index ab380ce98..0b8e6d03a 100644
--- a/man2/prctl.2
+++ b/man2/prctl.2
@@ -68,7 +68,7 @@ of the calling thread or process.
 .PP
 Note that careless use of
 .BR prctl ()
-can confuse the userspace run-time environment,
+can confuse the user-space run-time environment,
 so these operations should be used with care (if at all).
 .PP
 .BR prctl ()