diff --git a/man3/CPU_SET.3 b/man3/CPU_SET.3
index fef8c3ac1..f8975a3ed 100644
--- a/man3/CPU_SET.3
+++ b/man3/CPU_SET.3
@@ -87,7 +87,7 @@ and similar interfaces.
 The
 .I cpu_set_t
 data type is implemented as a bit mask.
-However, the data structure treated as considered opaque:
+However, the data structure should be treated as opaque:
 all manipulation of CPU sets should be done via the macros
 described in this page.
 .PP