diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index c9018a0..97f6703 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -933,7 +933,8 @@
 
 
 /**
- * convert_extent - convert all bits in a given range from one bit to another
+ * convert_extent_bit - convert all bits in a given range from one bit to
+ * 			another
  * @tree:	the io tree to search
  * @start:	the start offset in bytes
  * @end:	the end offset in bytes (inclusive)