diff --git a/man2/rename.2 b/man2/rename.2
index 83c93623a..05f001278 100644
--- a/man2/rename.2
+++ b/man2/rename.2
@@ -272,7 +272,7 @@ the whiteout appears as a character device with a {0,0} device number.
 for storing whiteout entries; specifically, BSD union mount employs
 a separate inode type,
 .BR DT_WHT ,
-which, while supported by some file systems available in Linux,
+which, while supported by some filesystems available in Linux,
 such as CODA and XFS, is ignored by the kernel's whiteout support code,
 as of Linux 4.19, at least.)
 .IP