diff --git a/TODO.ntfsprogs b/TODO.ntfsprogs
index 71149329..3a60421f 100644
--- a/TODO.ntfsprogs
+++ b/TODO.ntfsprogs
@@ -64,7 +64,7 @@ Thanks,
 * ntfscp *
 **********
 
-- add ability to copy multiply files at once.
+- add ability to copy multiple files at once.
 
 
 ***********
diff --git a/include/ntfs-3g/layout.h b/include/ntfs-3g/layout.h
index daff97d1..c167135f 100644
--- a/include/ntfs-3g/layout.h
+++ b/include/ntfs-3g/layout.h
@@ -2223,11 +2223,11 @@ typedef struct {
 /* The below field is NOT present for the quota defaults entry. */
 	SID sid;		/* The SID of the user/object associated with
 				   this quota entry. If this field is missing
-				   then the INDEX_ENTRY is padded with zeros
-				   to multiply of 8 which are not counted in
+				   then the INDEX_ENTRY is padded to a multiple
+				   of 8 with zeros which are not counted in
 				   the data_length field. If the sid is present
 				   then this structure is padded with zeros to
-				   multiply of 8 and the padding is counted in
+				   a multiple of 8 and the padding is counted in
 				   the INDEX_ENTRY's data_length. */
 } __attribute__((__packed__)) QUOTA_CONTROL_ENTRY;
 
diff --git a/libntfs-3g/runlist.c b/libntfs-3g/runlist.c
index 69f59356..7e158d44 100644
--- a/libntfs-3g/runlist.c
+++ b/libntfs-3g/runlist.c
@@ -1678,7 +1678,7 @@ int ntfs_rl_truncate(runlist **arl, const VCN start_vcn)
 	/**
 	 * Reallocate memory if necessary.
 	 * FIXME: Below code is broken, because runlist allocations must be 
-	 * a multiply of 4096. The code caused crashes and corruptions.
+	 * a multiple of 4096. The code caused crashes and corruptions.
 	 */
 /*	
 	 if (!is_end) {
diff --git a/ntfsprogs/ntfsresize.c b/ntfsprogs/ntfsresize.c
index 816d657e..784a7261 100644
--- a/ntfsprogs/ntfsresize.c
+++ b/ntfsprogs/ntfsresize.c
@@ -2717,7 +2717,7 @@ static void check_cluster_allocation(ntfs_volume *vol, ntfsck_t *fsck)
 			err_printf("%d clusters are referenced outside "
 				   "of the volume.\n", fsck->outsider);
 		if (fsck->multi_ref)
-			err_printf("%d clusters are referenced multiply"
+			err_printf("%d clusters are referenced multiple"
 				   " times.\n", fsck->multi_ref);
 		printf("%s", corrupt_volume_msg);
 		exit(1);