diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 8b5dd63..47162de 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -577,7 +577,7 @@
 #endif
 };
 
-/* Max physical block we can addres w/o extents */
+/* Max physical block we can address w/o extents */
 #define EXT4_MAX_BLOCK_FILE_PHYS	0xFFFFFFFF
 
 /*
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 0554c48..966ecb0 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -2825,14 +2825,14 @@
  * to an uninitialized extent.
  *
  * Writing to an uninitized extent may result in splitting the uninitialized
- * extent into multiple /intialized unintialized extents (up to three)
+ * extent into multiple /initialized uninitialized extents (up to three)
  * There are three possibilities:
  *   a> There is no split required: Entire extent should be uninitialized
  *   b> Splits in two extents: Write is happening at either end of the extent
  *   c> Splits in three extents: Somone is writing in middle of the extent
  *
  * One of more index blocks maybe needed if the extent tree grow after
- * the unintialized extent split. To prevent ENOSPC occur at the IO
+ * the uninitialized extent split. To prevent ENOSPC occur at the IO
  * complete, we need to split the uninitialized extent before DIO submit
  * the IO. The uninitialized extent called at this time will be split
  * into three uninitialized extent(at most). After IO complete, the part
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 1916164..4bc84b8 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -3740,9 +3740,9 @@
  * preallocated extents, and those write extend the file, no need to
  * fall back to buffered IO.
  *
- * For holes, we fallocate those blocks, mark them as unintialized
+ * For holes, we fallocate those blocks, mark them as uninitialized
  * If those blocks were preallocated, we mark sure they are splited, but
- * still keep the range to write as unintialized.
+ * still keep the range to write as uninitialized.
  *
  * The unwrritten extents will be converted to written when DIO is completed.
  * For async direct IO, since the IO may still pending when return, we