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-rw-r--r--lib/libc/sys/munmap.26
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/sys/munmap.2 b/lib/libc/sys/munmap.2
index 47e01280d65d..f6acf79186f8 100644
--- a/lib/libc/sys/munmap.2
+++ b/lib/libc/sys/munmap.2
@@ -54,7 +54,9 @@ to generate invalid memory references.
.Sh RETURN VALUES
.Rv -std munmap
.Sh ERRORS
-.Fn Munmap
+The
+.Fn munmap
+system call
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
@@ -76,5 +78,5 @@ valid address range for a process.
.Sh HISTORY
The
.Fn munmap
-function first appeared in
+system call first appeared in
.Bx 4.4 .