diff --git a/man2/openat2.2 b/man2/openat2.2
index 53056ee6d..ff5204040 100644
--- a/man2/openat2.2
+++ b/man2/openat2.2
@@ -169,7 +169,7 @@ contains bits other than
 .IR 07777 .
 Similarly, an error is returned if
 .BR openat2 ()
-is called with a non-zero
+is called with a nonzero
 .IR how.mode
 and
 .IR how.flags
@@ -427,7 +427,7 @@ An unknown flag or invalid value was specified in
 .TP
 .B EINVAL
 .I mode
-is non-zero, but
+is nonzero, but
 .I how.flags
 does not contain
 .BR O_CREAT
@@ -535,7 +535,7 @@ is aware of but which the kernel does not support.
 Because any extension field must have its zero values signify a no-op,
 the kernel can
 safely ignore the unsupported extension fields if they are all-zero.
-If any unsupported extension fields are non-zero, then \-1 is returned and
+If any unsupported extension fields are nonzero, then \-1 is returned and
 .I errno
 is set to
 .BR E2BIG .
diff --git a/man4/loop.4 b/man4/loop.4
index 1b5d05666..b7f82e5d4 100644
--- a/man4/loop.4
+++ b/man4/loop.4
@@ -174,7 +174,7 @@ it can be used to open backing file.
 The (third)
 .BR ioctl (2)
 argument is an unsigned long value.
-A non-zero represents direct I/O mode.
+A nonzero represents direct I/O mode.
 .TP
 .BR LOOP_SET_BLOCK_SIZE " (since Linux 4.14)"
 .\" commit 89e4fdecb51cf5535867026274bc97de9480ade5