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-rw-r--r--lib/libc/sys/msync.24
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/libc/sys/msync.2 b/lib/libc/sys/msync.2
index 6960c9880048e..254ed127f7213 100644
--- a/lib/libc/sys/msync.2
+++ b/lib/libc/sys/msync.2
@@ -73,7 +73,9 @@ MS_INVALIDATE Invalidate all cached data
.Sh RETURN VALUES
.Rv -std msync
.Sh ERRORS
+The
.Fn msync
+system call
will fail if:
.Bl -tag -width Er
.It Bq Er EINVAL
@@ -97,5 +99,5 @@ An I/O error occurred while writing to the file system.
.Sh HISTORY
The
.Fn msync
-function first appeared in
+system call first appeared in
.Bx 4.4 .