diff --git a/module/nvpair/nvpair.c b/module/nvpair/nvpair.c
index 14b196d96..2e3820981 100644
--- a/module/nvpair/nvpair.c
+++ b/module/nvpair/nvpair.c
@@ -2395,7 +2395,7 @@ nvlist_xpack(nvlist_t *nvl, char **bufp, size_t *buflen, int encoding,
 	 * 1. The nvlist has fixed allocator properties.
 	 *    All other nvlist routines (like nvlist_add_*, ...) use
 	 *    these properties.
-	 * 2. When using nvlist_pack() the user can specify his own
+	 * 2. When using nvlist_pack() the user can specify their own
 	 *    allocator properties (e.g. by using KM_NOSLEEP).
 	 *
 	 * We use the user specified properties (2). A clearer solution
diff --git a/module/zfs/zfs_dir.c b/module/zfs/zfs_dir.c
index c5643c43a..ad159b1b6 100644
--- a/module/zfs/zfs_dir.c
+++ b/module/zfs/zfs_dir.c
@@ -21,7 +21,7 @@
 
 /*
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
- * Copyright (c) 2013, 2015 by Delphix. All rights reserved.
+ * Copyright (c) 2013, 2016 by Delphix. All rights reserved.
  * Copyright 2017 Nexenta Systems, Inc.
  */
 
@@ -305,8 +305,8 @@ zfs_dirent_lock(zfs_dirlock_t **dlpp, znode_t *dzp, char *name, znode_t **zpp,
 		 * dl_name in case the first thread goes away before we do.
 		 * Note that we initialize the new name before storing its
 		 * pointer into dl_name, because the first thread may load
-		 * dl->dl_name at any time.  He'll either see the old value,
-		 * which is his, or the new shared copy; either is OK.
+		 * dl->dl_name at any time.  It'll either see the old value,
+		 * which belongs to it, or the new shared copy; either is OK.
 		 */
 		dl->dl_namesize = strlen(dl->dl_name) + 1;
 		name = kmem_alloc(dl->dl_namesize, KM_SLEEP);
diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index 003940795..8a3b3066a 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -1827,7 +1827,7 @@ zio_reexecute(zio_t *pio)
 	/*
 	 * Now that all children have been reexecuted, execute the parent.
 	 * We don't reexecute "The Godfather" I/O here as it's the
-	 * responsibility of the caller to wait on him.
+	 * responsibility of the caller to wait on it.
 	 */
 	if (!(pio->io_flags & ZIO_FLAG_GODFATHER)) {
 		pio->io_queued_timestamp = gethrtime();